Tro - Chemistry: A Molecular Approach 4th Edition - Chapter 3

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Ch.3 - Molecules, Compounds & Chemical Equations

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Tro 4th Edition

Ch.3 - Molecules, Compounds & Chemical Equations

Problem 26c
Write a chemical formula for each molecular model. (See Appendix IIA for color codes.) (c)
Problem 27
Classify each element as atomic or molecular. a. neon b. fluorine c. potassium d. nitrogen
Problem 29
Classify each compound as ionic or molecular. a. CO₂ b. NiCl₂ c. Nal d. PCl₃
Problem 30
Classify each compound as ionic or molecular. a. CF₂Cl₂ b. CCl₄ c. PtO₂ d. SO₃
Problem 31
Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.
Problem 31a
Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.
Problem 32
Based on the molecular views, classify each substance as an atomic element, a molecular element, an ionic compound, or a molecular compound.
Problem 33
Write a formula for the ionic compound that forms between each pair of elements. d. aluminum and oxygen
Problem 34
Write a formula for the ionic compound that forms between each pair of elements. a. silver and chlorine b. sodium and sulfur c. aluminum and sulfur d. potassium and chlorine
Problem 35
What is the formula for the compound formed between calcium and each of the following polyatomic ions? a. hydroxide b. chromate c. phosphate d. cyanide
Problem 36
Write a formula for the compound that forms between potassium and each polyatomic ion. a. carbonate b. phosphate c. hydrogen phosphate d. acetate
Problem 37a,b,c,d,e,f
Name each ionic compound. a. Mg₃N₂ b. KF c. Na₂O d. Li₂S f. KI e. CsF
Problem 38a,b,c,d,e,f
Name each ionic compound. a. SnCl₄ b. PbI₂ c. Fe₂O₃ d. CuI₂ e. HgBr₂ f. CrCl₂
Problem 39
What is the appropriate name for each ionic compound: a. SnO, b. Cr2S3, c. RbI, d. BaBr2?
Problem 41a,b,c,d
Name each ionic compound containing a polyatomic ion. a. CuNO₂ b. Mg(C₂H₃O₂)₂ c. Ba(NO₃)₂ d. Pb(C₂H₃O₂)₂
Problem 42a,b,c,d
Name each ionic compound containing a polyatomic ion. a. Ba(OH)₂ b. NH₄I c. NaBrO₄ d. Fe(OH)₃
Problem 43a,b,c,d,e
Write the formula for each ionic compound. a. sodium hydrogen sulfite b. lithium permanganate c. silver nitrate d. potassium sulfate e. rubidium hydrogen sulfate
Problem 43f
Write the formula for each ionic compound. f. potassium hydrogen carbonate
Problem 44a
Write the formula for each ionic compound. a. copper(II) chloride
Problem 44b,c,e
Write the formula for each ionic compound. b. copper(I) iodate c. lead(II) chromate e. potassium hydroxide
Problem 44d
Write the formula for each ionic compound. d. calcium fluoride
Problem 44f
Write the formula for each ionic compound. f. iron(II) phosphate
Problem 45a,b,c,d
Write the name from the formula or the formula from the name for each hydrated ionic compound.
a. CoSO₄•7 H₂O
b. iridium(III) bromide tetrahydrate
c. Mg(BrO₃)₂•6 H₂O
d. potassium carbonate dihydrate
Problem 46a,b,c,d
Write the name from the formula or the formula from the name for each hydrated ionic compound.
a. cobalt(II) phosphate octahydrate
b. BeCl₂•2 H₂O
c. chromium(III) phosphate trihydrate
d. LiNO₂•H₂O
Problem 47
Name each molecular compound. a. CO b. NI₃ c. SiCl₄ d. N₄Se₄
Problem 48a,c
Name each molecular compound. a. SO₃ c. BrF₅
Problem 48b
Name each molecular compound. b. SO₂
Problem 48d
Name each molecular compound. d. NO
Problem 49a,b,c
Write the formula for each molecular compound. a. phosphorus trichloride b. chlorine monoxide c. disulfur tetrafluoride
Problem 49d
Write the formula for each molecular compound. d. phosphorus pentafluoride