The correct chemical formula for the combination of Ca2+ and PO43- is: a. CaPO4 b. Ca(II)PO4 c. Ca3(PO4)2 d. Ca3PO4

Q: 15 18 21 P5 22 1.7 and greater 24 25 Cr Mn 15 23 28 30 NI Cu Extrem 31 32 Ga Ge 34 Se 35 Fe Co As 18…

A: Here we calculate the electronegativity difference from the chart and determine the bond strength…

Q: and bismuth ion lution

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Q: . A hydrogen ion (H+) has neutron(s), proton(s), andelectron(s).a. 1; 0; 2 b. 0; 1; 0 c. 0; 0; 1 d.…

A: Neutron, proton, and electron are fundamental subatomic particles.  The number of protons is equal…

Q: Group II A (Group 2) metals form ions by a. gaining 2 electrons  b. gaining 6 electrons  c.…

A: Alkaline earth metals are placed in group 2 in modern periodic table.These metals has two electrons…

Q: 17. Sergio's teacher gave him a sample of a substance to identify. His teacher told him it is either…

A: Metal are hard , shiny, magnetic , and a good conductor of electricity .

Q: 32. a. What is an activity series of elements? b. What is the basis for the ordering of the el-…

A: 32a. Activity of series  reflects the descending order of reactivity of metals 32. b Basis reaction…

Q: Dinitragen dioxide, NOz e. l-octanol, Catiso ficalcium phosphatc, Caz (PO4)2.

A: d) nitrogen dioxide, NO2     First element of NO2 is Nitrogen (N) e) 1-octanol , C8H18O    First…

Q: 1A H 2A Li Be 3A 4A 5A 6A 7A He BCNO F Ne Na Mg 38 48 58 68 7888 1B 2B Al Si P S Cl Ar K Ca Sc Ti V…

A: Covalent bond: The bond formed by the sharing of electrons between the atoms is called covalent…

Q: 20. 1Sb + ön 121 122 51Sb + -> 21. 2Pb -je -> 62

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Q: Tritium is an isotope of hydrogen. 3 1 T. Write the balanced equation for the formation of the…

A: The atoms with the same number of protons but the different number of neutrons or mass number are…

Q: d Po undergoes four decay reactions: a, B, a, B. Step 1. 218 Po undergoes a decay to give 14Pb 84 82…

A: Identify the symbol, mass number and atomic number ----

Q: Đ1. Docs the charge of the material remain the same when paired up with other material? 02. What is…

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Q: Write the following equations in words: a. 3 Ca + 2 AlCl3 -> 3 CaCl2 + 2 Al b. 4 FeS + 7 O2 -> 2…

A: In a chemical reaction, the reactants are written on the left-hand side of the arrow mark and the…

Q: d Bi undergoes four decay reactions: a, B, B, a. Step 1. 3*Bi undergoes a decay to give 10TI Step 2.…

A: Correct answer about radio active decay is given below

Q: Using only the periodic table arrange the following elements in order of increasing atomic radius:…

A: Here we are required to arrange the element in the increasing order of atomic size.

Q: C The radius of a nickel atom is 125 pm. How many nickel atoms would have to be laid side by side to…

A: We are given : radius of nickel atom (r) = 125 pm distance (d) = 1.11 mm number of nickel atoms (n)…

Q: Here is a balanced reaction: 14 H+ (aq) + Cr2O7 2- (aq) + 6 Cl- (aq) ➔ 2 Cr3+(aq) + 7 H2O (l) + 3…

A: Here is a balanced reaction:14 H+ (aq) + Cr2O7 2- (aq) + 6 Cl- (aq) ➔ 2 Cr3+(aq) + 7 H2O (l) + 3 Cl2…

Q: SICI4 has the lowest bp in comparison with group IV element tetrachloride Ta F.b

A: False.

Q: Deuterium (chemical symbol - D) is a heavy isotope of hydrogen, H. Despite having an extra neutron…

A: Option 2.C

Q: Which of the following combinations of chemicals will result in a potentially explosive mixture?…

A: For the given reactions, the possible products have been predicted below.

Q: How is Arsenic produced?

A: Arsenic is one of the naturally occurring element. It can be either organic or inorganic form.

Q: When the following equation is balanced correctly, what is the coefficient in front of Ba(NO3)2?…

A: Steps on how to use the trial and error method to balance the chemical equations:Write the…

Q: 22. Following the steps in Hess' Law, which compounds/elements will be cancelled? 2 FeO (s) → 2Fe(s)…

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Q: Use the References to access important values if needed for this question. 1A 3A 4A SA 6A 7A He BCNO…

A: Atomic mass of Ti =22 Atomic mass of Sc= 21

Q: Which of these would displace Fe in the substance FeSO, (ag) ? O a. Cu*2 b. Na +1 O o Cus) O d.…

A:

Q: 6. The mass of P4O10 (At. Wt O=16, P=31) that will be obtained from the reaction of 1.33gm of P4 and…

A:

Q: 2.1 Li Be 1.0 1.5 Na Mg 0.9 1.2 B N D 3.0 3.5 4.0 Si PS F 1.5 2.5 Al 1.5 1.8 K Ca Sc TiV Cr Mn Fe Co…

A: Carbon and oxygen form a covalent bond by the sharing of electrons. The electronegativity of the…

Q: U-235 and U-238 are the two ________________ of Uranium which vary in the number of neutrons in…

A: given, U-235 & U-238  This is given the mass number of uranium 235 & 238  atomic number of…

Q: QUESTION 7 _C2H4 +_ 02 = _CO2+ _ H2O - When the above equation is balanced using smallest whole…

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Q: Shade four elements in the outline Periodic Table below. 1. A transuranic element. 2. The last…

A: Transuranic elements:- The elements of actinoid series having the atomic number greater than 92.…

Q: Name the following Mo(CN)4 Mo3(PO4)4 Mo2(HPO4)3 Mo(H2PO4)3 a. molybdenum phosphate b. molybdenum…

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Q: а. NH2 OMe N. EtzN, THF b. Me2N Me2N 1. LIAIH4, THF 2. H3O*, H20

A:

Q: 4. Give the formula and name of the compound formed by Strontium with a. Nitrogen b. Bromine C.…

A: Strontium is the chemical element with atomic number 38. A chemical reaction is one where a reactant…

Q: 22 23 This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in…

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Q: 80. The water solution of a compound is green. The compound could be: a) NazSO4 b) K2SO4 c) FeSO4 d)…

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Q: What is the concentration of an HCI solution tha

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Q: Using only the periodic table arrange the following elements in order of increasing atomic radius:…

A: The general periodic trend of the atomic radii is: Along the period, generally, the atomic radius…

Q: Н

A: Acidity is defined as the ability of a molecule to release protons.If a compound easily donates…

Q: Identify the type of reaction represented by each equation. Explain your answers. MnSO4 Mn0 + S03 b.…

A: 1) a) MnSO4 → MnO + SO3 Type of reaction - Decomposition Reaction is a reaction in which the species…

Q: What is the interior layers of a mercury?

A: Mercury is a rocky planet with a huge iron core which makes up a large part of its interior.…

Q: In the Haber Process, hydrogen (H2) and nitrogen (N2) react to produce ammonia (NH3)   H2 + 3H2…

A: Exothermic reaction is reaction accompanied with loss of heat. Reaction- H2 + 3H2 ----> 2NH3  +…

Q: Answer the following short answer questions. 1) List three elements that would react similar to…

A: Since you have posted multiple questions, we are entitled to answer the first 3 only.

Q: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Group Period 1 Не 4 7 8 9 10 L Be Ne 11 12 13 Al Na…

A: Francium (Fr) belongs to group 1 of periodic table. The general electronic configuration of valence…

Q: 17 What is the charge on the Titanium atom in the compound Ti3N4 ? A. 2+ B. 3+ C. 4+ D. 6+ 18 What…

A: Atoms are made up of protons,neutrons and electrons. Protons are positively charged particles.…

Q: Among the following ions, which has the SMALLEST radius? Select one: O a. Mg2+ O b. Be2+ Oc. K* O d.…

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Q: Balance this chemical equation: Ca(C2H3O2)2 + Na2CO3 ---> CaCO3 + NaC2H3O2

A: Chemical equation is the equation in which reactants are on left hand side and products are on right…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.