Brown - Chemistry: The Central Science 14th Edition - Chapter 2

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Ch.2 - Atoms, Molecules, and Ions

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Brown 14th Edition

Ch.2 - Atoms, Molecules, and Ions

Problem 62a,b
Predict the chemical formulas of the compounds formed by the following pairs of ions: (a) Cr³⁺ and CN^- (b) Mn²⁺ and ClO₄^-
Problem 62c
Predict the chemical formulas of the compounds formed by the following pairs of ions: (c) Na⁺ and Cr₂O₇^2-
Problem 62d
Predict the chemical formulas of the compounds formed by the following pairs of ions: (d) Cd²⁺ and CO₃^2-
Problem 62e
Predict the chemical formulas of the compounds formed by the following pairs of ions: (e) Ti⁴⁺ and O^2-.
Problem 63
Complete the table by filling in the formula for the ionic compound formed by each pair of cations and anions, as shown for the first pair. Ion K⁺ NH₄⁺ Mg²⁺ Fe³⁺ Cl^- KCl OH^- CO₃^2- PO₄^3-
Complete the first row of the table.
Complete the second row of the table.
Complete the third row of the table.
Complete the fourth row of the table.
Problem 64
Complete the table by filling in the formula for the ionic compound formed by each pair of cations and anions, as shown for the first pair. Ion Na+ Ca2+ Fe2+ Al3+ O2- Na2O NO3- SO42- AsO43-
Problem 65a
Predict whether each of the following compounds is molecular or ionic: (a) HClO₄
Problem 65b,c,d
Predict whether each of the following compounds is molecular or ionic: (b) CH₃OCH₃ (c) Mg(NO₃)₂ (d) H₂S
Problem 65e
Predict whether each of the following compounds is molecular or ionic: (e) TiCl₄
Problem 65f,g
Predict whether each of the following compounds is molecular or ionic: (f) K₂O₂(g) PCl₅
Problem 65h
Predict whether each of the following compounds is molecular or ionic: (h) P(OH)₃.
Problem 66
Which of the following are ionic, and which are molecular? (a) PF₅
Problem 66a
Which of the following are ionic, and which are molecular? (a) PF₅
Problem 66b,c
Which of the following are ionic, and which are molecular? (b) NaI (c) Zr(NO₃)₂
Problem 66d
Which of the following are ionic, and which are molecular? (d) Ca(NO₃)₂
Problem 66e,f
Which of the following are ionic, and which are molecular? (e) FeCl₃ (f) H₂SO₄
Problem 66g
Which of the following are ionic, and which are molecular? (g) CoCO₃
Problem 66h
Which of the following are ionic, and which are molecular? (h) N₂O₄
Problem 67a,b,c,d
Give the chemical formula for (a) chromate ion (b) bromide iom (c) nitrite ion (d) sulphite ion
Problem 67e
Give the chemical formula for (e) permanganate ion.
Problem 68
Selenium, an element required nutritionally in trace quantities, forms compounds analogous to sulfur. Name the following ions: (a) SeO₄^2- (b) Se^2- (c) HSe^- (d) HSeO₃^-.
Problem 69
Give the names and charges of the cation and anion in each of the following compounds: (a) CaO, (b) Na2SO4, (c) KClO4, (d) Fe1NO322, (e) Cr1OH23.
Problem 70a
Give the names and charges of the cation and anion in each of the following compounds: (a) CuS
Problem 70b
Give the names and charges of the cation and anion in each of the following compounds: (b) Ag2SO4
Problem 70c
Give the names and charges of the cation and anion in each of the following compounds: (c) Al1ClO323
Problem 70d
Give the names and charges of the cation and anion in each of the following compounds: (d) Co1OH22
Problem 70e
Give the names and charges of the cation and anion in each of the following compounds: (e) PbCO3.
Problem 71a,b,c,d,e
Name the following ionic compounds: (a) Li₂O (b) FeCl₃ (c) NaClO (d) CaSO₃ (e) Cu(OH)₂
Problem 71f
Name the following ionic compounds: (f) Fe(NO₃)₂
Problem 71g
Name the following ionic compounds: (g) Ca(CH₃COO)₂