Concept explainers
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(a)
Interpretation:
To determine the name and
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Mg is magnesium and its atomic number 12.
Explanation of Solution
The Mg is the symbol of magnesium and its atomic number is 12.The atomic number is equal to the number of proton and it is belong to the group-2.
(b)
Interpretation:
To determine the name and atomic number of Ga.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Ga is gallium and its atomic number 31.
Explanation of Solution
The Ga is the symbol of gallium and its atomic number is 31.The atomic number is equal to the number of proton and it is belong to the group-13.
(c)
Interpretation:
To determine the name and atomic number of Sn.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Sn is tin and its atomic number 50.
Explanation of Solution
The Sn is the symbol of tin and its atomic number is 50.The atomic number is equal to the number of proton and it is belong to the group-14.
(d)
Interpretation:
To determine the name and atomic number of Sb.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Sb is antimony and its atomic number 51.
Explanation of Solution
The Sb is the symbol of antimony and its atomic number is 51.The atomic number is equal to the number of proton and it is belong to the group-15.
(e)
Interpretation:
To determine the name and atomic number of Sr.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Sr is strontium and its atomic number 38.
Explanation of Solution
The Sr is the symbol of strontium and its atomic number is 38.The atomic number is equal to the number of proton and it is belong to the group-2.
(f)
Interpretation:
To determine the name and atomic number of Si.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Si is silicon and its atomic number 14.
Explanation of Solution
The Si is the symbol of silicon and its atomic number is 14.The atomic number is equal to the number of proton and it is belong to the group-14.
(g)
Interpretation:
To determine the name and atomic number of Cs.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Cs is cesium and its atomic number 55.
Explanation of Solution
The Cs is the symbol of cesium and its atomic number is 55.The atomic number is equal to the number of proton and it is belong to the group-1.
(h)
Interpretation:
To determine the name and atomic number of Ca.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Ca is calcium and its atomic number 20.
Explanation of Solution
The Ca is the symbol of calcium and its atomic number is 20.The atomic number is equal to the number of proton and it is belong to the group-2.
(I)
Interpretation:
To determine the name and atomic number of Cr.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
(I)
Answer to Problem 21CR
The name of the element Cr is chromium and its atomic number 24.
Explanation of Solution
The Cr is the symbol of chromium and its atomic number is 24.The atomic number is equal to the number of proton and it is belong to the
(J)
Interpretation:
To determine the name and atomic number of Co.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
(J)
Answer to Problem 21CR
The name of the element Co is cobalt and its atomic number 27.
Explanation of Solution
The Co is the symbol of cobalt and its atomic number is 27.The atomic number is equal to the number of proton and it is belong to the group d element.
(k)
Interpretation:
To determine the name and atomic number of Cu.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Cu is copper and its atomic number 29.
Explanation of Solution
The Cu is the symbol of copper and its atomic number is 29.The atomic number is equal to the number of proton and it is belong to the group d element.
(l)
Interpretation:
To determine the name and atomic number of Ag.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Ag is silver and its atomic number 47.
Explanation of Solution
The Ag is the symbol of silver and its atomic number is 47.The atomic number is equal to the number of proton and it is belong to the group d element.
(m)
Interpretation:
To determine the name and atomic number of U.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element U is uranium and its atomic number 92.
Explanation of Solution
The U is the symbol of uranium and its atomic number is 92.The atomic number is equal to the number of proton and it is belong to the f block elements.
(n)
Interpretation:
To determine the name and atomic number of As.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element As is arsenic and its atomic number 33.
Explanation of Solution
The As is the symbol of arsenic and its atomic number is 33.The atomic number is equal to the number of proton and it is belong to the group-15.
(o)
Interpretation:
To determine the name and atomic number of At.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element At is astatine and its atomic number 85.
Explanation of Solution
The At is the symbol of astatine and its atomic number is 85.The atomic number is equal to the number of proton and it is belong to the group-17.
(p)
Interpretation:
To determine the name and atomic number of Ar.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Ar is argon and its atomic number 18.
Explanation of Solution
The Ar is the symbol of argon and its atomic number is 18.The atomic number is equal to the number of proton and it is belong to the group-18.
(q)
Interpretation:
To determine the name and atomic number of Zn.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Zn is zinc and its atomic number 30.
Explanation of Solution
The Zn is the symbol of zinc and its atomic number is 30.The atomic number is equal to the number of proton and it is belong to the d block element.
(r)
Interpretation:
To determine the name and atomic number of Mn.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Mn is manganese and its atomic number 25.
Explanation of Solution
The Mn is the symbol of manganese and its atomic number is 25.The atomic number is equal to the number of proton and it is belong to the d block element.
(s)
Interpretation:
To determine the name and atomic number of Se.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Se is selenium and its atomic number 34.
Explanation of Solution
The Se is the symbol of selenium and its atomic number is 34.The atomic number is equal to the number of proton and it is belong to the group-16.
(t)
Interpretation:
To determine the name and atomic number of W.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element W is tungsten and its atomic number 74.
Explanation of Solution
The W is the symbol of tungsten and its atomic number is 74.The atomic number is equal to the number of proton and it is belong to the d block element.
(u)
Interpretation:
To determine the name and atomic number of Ra.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Ra is radium and its atomic number 88.
Explanation of Solution
The Ra is the symbol of radium and its atomic number is 88.The atomic number is equal to the number of proton and it is belong to the group-2.
(v)
Interpretation:
To determine the name and atomic number of Rn.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Rn is radon and its atomic number 86.
Explanation of Solution
The Rn is the symbol of radon and its atomic number is 86.The atomic number is equal to the number of proton and it is belong to the group-18.
(w)
Interpretation:
To determine the name and atomic number of Ce.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Ce is cerium and its atomic number 58.
Explanation of Solution
The Ce is the symbol of cerium and its atomic number is 58.The atomic number is equal to the number of proton and it is belong to the f block element.
(x)
Interpretation:
To determine the name and atomic number of Zr.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Zr is zirconium and its atomic number 40.
Explanation of Solution
The Zr is the symbol of zirconium and its atomic number is 40.The atomic number is equal to the number of proton and it is belong to the d block element.
(y)
Interpretation:
To determine the name and atomic number of Al.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Al is aluminum and its atomic number 13.
Explanation of Solution
The Al is the symbol of magnesium and its atomic number is 13.The atomic number is equal to the number of proton and it is belong to the group-13.
(z)
Interpretation:
To determine the name and atomic number of Pd.
Concept Introduction:
The modern periodic table is arranged according to the atomic number of the element and the symbol of the elements is given in the periodic table. Periodic table consist of 18 group and 7 period. Atomic number is equal to the number of proton. Mass number is equal to the sum of number of proton and number of neutron.
Like: Sodium: Symbol-Na, Atomic number-11.
Answer to Problem 21CR
The name of the element Pd is palladium and its atomic number 46.
Explanation of Solution
The Pd is the symbol of palladium and its atomic number is 46.The atomic number is equal to the number of proton and it is belong to the d block element.
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Chapter 5 Solutions
Introductory Chemistry: A Foundation
- 11. Complete the following esterification reaction with names of all the reactants and products under. Hint: Remove the water and end up with ester R-C-OH + ROH R-C-OR + H₂O A carboxylic acid An alcohol An ester Water BYJU'S H-C-C O-H Нин C-C-C-H HAAA H O-C-C-C-H AAA Ethanoic acid Propanol Water Propyl ethanoate By com CH3COOH + CH3CH2CH2CH₂CH₂OH → Practice for alcohols aldehydes and ketones: 12. Draw the structures from the following names mixed of alcohol/aldehyde and ketone: a. 4-methyl cyclohexanone b. 3-methyl-2-pentenal c. 2,3-dimethylcyclohexanone d. 1,3propanediol or Propane 1,3 diol 13. Write systematic names for the following compounds identify functional group: a. b. (CH3)2CH-C OH c) CH(CH₂)-- OH -,-,arrow_forwardmay you please show all steps! i am having a hard time understanding and applying in this format, thank you!arrow_forward10. Complete the substitution reaction of 2 pentanol with these reagents. Reagents & Reaction Conditions use practice sheet. Please write only major products, minor product like water, other gases are not required. Hint: In substitution of alcohol, we generally substitute OH group with Halogens like cl, Br, F using some reagent containing halogens. Ensure to add halogens to the same carbon number where you are removing OH from Examples Alcohols can be converted to Alkyl Halides with HX acids HBr H₂O HCI + H₂O HI + H₂O CH,CH₂OH + SOCI₂ CH,CH₂OH + PCI₁₂ A BBYJU'S CH CHCI + SO₂+ HCI CH₂CH CIP(OH), + HCI CH,CH₂OH + PCI CHCHCI + POCI + HCI CH,CH₂OH + PBr, CH,CH,Br + P(OH), + HBr 1. Reaction with HBr with 2 Pentanol 2.Reaction with HI with 2 pentanol © Byjus.com 3.Reaction with HCI+ZnCl,, with 2 pentanol (Zncl2 is catalyst no role) 4.Reaction with SOCI,, with 2 Pentanol 5.Reaction with PBr; or PCl, with 2 pentanolarrow_forward
- 3. Is 2-methyl-2-propanol a primary, secondary, or tertiary alcohol? Write out the structures of 2-methyl-2-propanol and also any oxidation products of 2- methyl-2- propanol. If there is more than one oxidation product, give the structure of each of the products. 4. 2-Propanol is the IUPAC systematic name of this alcohol. It has a common name by which it is much better known (You'll see it in the grocery store or pharmacy). Give that common name 5. Aldehydes can be synthesized by the oxidation of. Please choose from below choices A. Primary alcohols B. Secondary alcohols C. Organic acids D. Inorganic acids 6. Tertiary alcohol Can undergo oxidation. yes or no. ? If yes then answer the product.arrow_forwardFinish the reactions hand written pleasearrow_forwardPart A Identify each alcohol as primary, secondary, or tertiary Drag the appropriate items to their respective bins. CH₂ H₂C- -C-OH HO CH₂ Primary Он OH CH₂ OH CCH₂OH CH₂ сн Secondary Tertiary Reset Help CH,CH₂ (CH)CHCH,OH CH,CH,CH,CCH, CHOH CH₂ Different types of alcohol groups Alcohol and its reaction: 8. Combing two alcohol molecules below and completing the reaction with Product .( Hint Reaction called etherification as ether is formed and name the ether once you complete the reaction. Hint.: R-O-H+H-O-RR-O-R Do the reaction: CH₂OH + CH₂OH---→ + H-O-H 9. Write the reaction of formation of alcohol from alkene by adding water: Addition reaction also called hydration reaction as we are adding water which occur always in presence of acid Hint: Break the double bond and add H and OH if symmetrical then add anywhere if unsymmetrical then follow Markovnikov rule H should go to that double bone carbon which has more hydrogen CH2=CH2 + H₂O-→arrow_forward
- Complete the reaction hand written pleasearrow_forwardPredict the major products of this organic reaction: HBr (1 equiv) cold ? Some important notes: • Draw the major product, or products, of this reaction in the drawing area below. • You can draw the products in any arrangement you like. • Pay careful attention to the reaction conditions, and only include the major products. • Be sure to use wedge and dash bonds when necessary, for example to distinguish between major products that are enantiomers. • Note that there is only 1 equivalent of HBr reactant, so you need not consider the case of multiple additions. dm Re Explanation Check ©2025 McGraw Hill LLC. All Rights Reserved. Termarrow_forwardb) Use curved arrows to show the reaction of the radical with hydrogen bromide. Br: Br H .. Answer Bankarrow_forward
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