Introduction to General, Organic and Biochemistry
12th Edition
ISBN: 9780357391594
Author: Frederick A. Bettelheim; William H. Brown; Mary K. Campbell
Publisher: Cengage Learning US
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Chapter 2, Problem 90P
2-97 Explain why the Ca3+ ion is not found in chemical compounds.
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Write the chemical formula for ammonium phosphide
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6. Write formulas for the following compounds, all of which contain polyatomic ions.
(i)
strontium sulfate
(ii)
copper(II) nitrate
(iii)
calcium carbonate
(iv)
potassium hydroxide
(v)
iron(III) cyanide
(vi)
zinc nitrite
(vii)
ammonium phosphate
(viii) rubidium sulfite
(ix)
sodium peroxide
(x)
potassium dichromate
(хі)
sodium amide
(xii) potassium permanganate
(xiii) lead(II) chromate
(xiv) aluminium sulfate
(xv)
lithium phosphate
(xvi)
barium sulfate
(xvii) strontium hydrogencarbonate
Chapter 2 Solutions
Introduction to General, Organic and Biochemistry
Ch. 2.2 - Problem 2-1 Write the formulas of compounds in...Ch. 2.4 - Problem 2-2 What is the mass number of an atom...Ch. 2.4 - Problem 2-3 Name the elements given in Problem...Ch. 2.4 - Problem 2-4 (a) What are the atomic numbers of...Ch. 2.4 - Prob. 2.5QCCh. 2.4 - Problem 2-6 The atomic weight of lithium is 6.941...Ch. 2.6 - Problem 2-7 Write the Lewis dot structure for the...Ch. 2 - Prob. 1PCh. 2 - 9 Answer true or false. (a) Matter is divided into...Ch. 2 - Prob. 3P
Ch. 2 - Prob. 4PCh. 2 - 2-12 The elements game, Part 1. Name and give the...Ch. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Prob. 9PCh. 2 - 2-17 How does Dalton’s atomic theory explain: (a)...Ch. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - 2-20 Calculate the percentage of hydrogen and...Ch. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - 2-23 It has been said, “The number of protons...Ch. 2 - Prob. 17PCh. 2 - Prob. 18PCh. 2 - 2-26 Given these mass numbers and number of...Ch. 2 - If each atom in Problem 19 acquired two more...Ch. 2 - Prob. 21PCh. 2 - 2-29 How many protons and how many neutrons does...Ch. 2 - Prob. 23PCh. 2 - 2-31 Tin-118 is one of the isotopes of tin. Name...Ch. 2 - Prob. 25PCh. 2 - Prob. 26PCh. 2 - 2-34 There are only two naturally occurring...Ch. 2 - 2-35 The two most abundant naturally occurring...Ch. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - Prob. 31PCh. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - Prob. 35PCh. 2 - 2-43 Which group(s) of the Periodic Table...Ch. 2 - 2-44 Which period(s) in the Periodic Table...Ch. 2 - Prob. 38PCh. 2 - Prob. 39PCh. 2 - 2-47 Which element in each pair is more metallic?...Ch. 2 - Prob. 41PCh. 2 - Prob. 42PCh. 2 - Prob. 43PCh. 2 - 2-51 What is the correlation between the group...Ch. 2 - Prob. 45PCh. 2 - Prob. 46PCh. 2 - Prob. 47PCh. 2 - Prob. 48PCh. 2 - Prob. 49PCh. 2 - Prob. 50PCh. 2 - Prob. 51PCh. 2 - 2-59 You are presented with a Lewis dot structure...Ch. 2 - Prob. 53PCh. 2 - Prob. 54PCh. 2 - Prob. 55PCh. 2 - Prob. 56PCh. 2 - 2-64 Consider the elements B, C, and N. Using only...Ch. 2 - Prob. 58PCh. 2 - Prob. 59PCh. 2 - 2-67 Account for the fact that the first...Ch. 2 - Prob. 61PCh. 2 - 2-69 (Chemical Connections 2A) Why does the body...Ch. 2 - Prob. 63PCh. 2 - Prob. 64PCh. 2 - Prob. 65PCh. 2 - 2-73 (Chemical Connections 2D) Copper is a soft...Ch. 2 - Prob. 67PCh. 2 - Prob. 68PCh. 2 - Prob. 69PCh. 2 - Prob. 70PCh. 2 - Prob. 71PCh. 2 - Prob. 72PCh. 2 - Prob. 73PCh. 2 - Prob. 74PCh. 2 - Prob. 75PCh. 2 - 2-83 The natural abundance of boron isotopes is as...Ch. 2 - Prob. 77PCh. 2 - 2-85 The mass of a proton is 1.67 × 10-24g. The...Ch. 2 - Prob. 79PCh. 2 - Prob. 80PCh. 2 - Prob. 81PCh. 2 - Prob. 82PCh. 2 - Prob. 83PCh. 2 - 2-91 These are the first two ionization energy for...Ch. 2 - Prob. 85PCh. 2 - Prob. 86PCh. 2 - 2-94 Using your knowledge of trends in element...Ch. 2 - Prob. 88PCh. 2 - Prob. 89PCh. 2 - 2-97 Explain why the Ca3+ ion is not found in...Ch. 2 - 2-98 Explain how the ionization energy of atoms...Ch. 2 - 2-99 A 7.12 g sample of magnesium is heated with...Ch. 2 - 2-100 A 0.100 g sample of magnesium, when combined...Ch. 2 - 2-101 Complete the following table: Symbol Atomic...Ch. 2 - 2-102 An element consists of 90.51% of an isotope...Ch. 2 - 2-103 The element silver has two naturally...Ch. 2 - 2-104 The average atomic weight of lithium is...Ch. 2 - Prob. 98PCh. 2 - Prob. 99PCh. 2 - Consider the Period 3 elements of the Periodic...Ch. 2 - Name the element that corresponds to each of the...
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- 2-98 Explain how the ionization energy of atoms changes when proceeding down a group of the Periodic Table and explain why this change occurs.arrow_forward2-59 You are presented with a Lewis dot structure of element X as X.. To which two groups in the Periodic Table might this element belong?arrow_forward2-73 (Chemical Connections 2D) Copper is a soft metal. how can it be made harder?arrow_forward
- 3-58 In Section 2-3B, we saw that there are seven diatomic elements. (a) Draw Lewis structures for each of these diatomic elements. (b) Which diatomic elements are gases at room temperature? Which are liquids? Which are solids?arrow_forward3-46 Which formulas are not correct? For each that is not correct, write the correct formula. (a) Calcium oxide; CaO2 (b) Lithium oxide; LiO (c) Sodium hydrogen phosphate; NaHPO4 (d) Ammonium nitrate; NH4NO3arrow_forward3-42 What is the charge on each ion in these compounds? (a) CaS (b) MgF2 (c) Cs2O (d) ScCl3 (e) Al2S3arrow_forward
- 3-22 Why is Li- not a stable ion?arrow_forward3-27 Answer true or false. (a) For Group lA and Group 2A elements, the name of the ion each forms is simply the name of the element followed by the word ion; for example, Mg is named magnesium ion. (b) W is named hydronium ion, and W is named hydride ion. (c) The nucleus of H consists of one proton and one neutron. (d) Many transition and inner transition elements form more than one positively charged ion. (e) In naming metal cations with two different charges, the suffix-ous refers to the ion with a charge of +1 and _ic refers to the ion with a charge of +2. (f) Fe32 may be named either iron(III) ion or ferric ion. (g) The anion derived from a bromine atom is named bromine ion. (h) The anion derived from an oxygen atom is named oxide ion. (i) HCO3- is named hydrogen carbonate ion. (j) The prefix bi- in the name “bicarbonate” ionindicates that this ion has a charge of 2. (k) The hydrogen phosphate ion has a charge of +1, and the dihydrogen phosphate ion has a charge of +2. (l) The phosphate ion is PO34-. (m) The nitrite ion is NO2, and the nitrate ion is NO3. (n) The carbonate ion is CO, and the hydrogen carbonate ion is HCO3-.arrow_forward3-47 Answer true or false. (a) The name of a binary ionic compound consists of the name of the positive ion followed by the name of the negative ion. (b) In naming binary ionic compounds, it is necessary to state the number of each ion present in the compound. (c) The formula of aluminum oxide is AL2O3. (d) Both copper(II) oxide and cupric oxide are acceptable names for CuO. (e) The systematic name for Fe2O3 is iron(II) oxide. (f) The systematic name for FeCO3 is ironcarbonate. (g) The systematic name for NaH2PO4 is sodium dihydrogen phosphate. (h) The systematic name for K,HPO4 is dipotassium hydrogen phosphate. (i) The systematic name for Na20 is sodium oxide. (j) The systematic name for PCL3 is potassium chloride. (k) The formula of ammonium carbonate is NH4CO3.arrow_forward
- 3-63 What is the difference between (a) a bromine atom, (b) a bromine molecule, and (c) a bromide ion? Draw the Lewis structure for each.arrow_forward2-99 A 7.12 g sample of magnesium is heated with 1.80 g of bromine. All the bromine is used up, and 2.07 g of magnesium bromide is produced. What mass of magnesium remains unreacted?arrow_forward2-20 Calculate the percentage of hydrogen and oxygen in water, H2O, and hydrogen peroxide, H2O2.arrow_forward
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