Chem study guide (I know de wei) -copy-

What is the correct formula for calcium dihydrogen phosphate?

Ca(H2PO4)2

How are chemical formulas of binary ionic compounds generally written? a. cation on left, anion on right b. anion on left, cation on right c. Roman numeral first, then anion, then cation d. subscripts first, then ions

Cation on left, anion on right

What is the Stock name for chromic ion? a. chromium(I) ion c. chromium(III) ion b. chromium(II) ion d. chromium(IV) ion

Chromium(III) ion

What is the correct name for the compound CoCl₂ ? a. cobalt(I) chlorate c. cobalt(II) chlorate b. cobalt(I) chloride d. cobalt(II) chloride

Cobalt(II) chloride

Which of the following shows correctly an ion pair and then ionic compound the two ions form? a. Sn⁴⁺, N³⁻; Sn₄N₃ b. Cu²⁺, O²⁻; Cu₂O₂ c. Cr³⁺, I⁻; CrI d. Fe³⁺, O²⁻; Fe₂O₃

Cu²⁺, O²⁻; Cu₂O₂

Which of the following is the correct name for N₂ O₅ ? a. nitrous oxide c. nitrogen dioxide b. dinitrogen pentoxide d. nitrate oxide

Dinitrogen Pentoxide

Which of the following compounds contains the Mn³⁺ ion? a. MnS b. MnBr₂ c. Mn₂O₃ d. MnO

Mn₂O₃

In which of the following are the symbol and name for the ion given correctly? a. NH₄ : ammonia; H : hydride b. C₂ H₃ O₂ : acetate; C₂ O₄ : oxalite c. OH : hydroxide; O₂ : oxide d. PO₃³ : phosphate; PO₄³ : phosphite

OH : hydroxide; O₂ : oxide

What does an -ite or -ate ending in a polyatomic ion mean? a. Oxygen is in the formula. b. Sulfur is in the formula. c. Nitrogen is in the formula. d. Bromine is in the formula.

Oxygen is in the formula.

Which of the following is a binary molecular compound? a. BeHCO₃ c. AgI b. PCl₅ d. MgS

PCl₅

Which of the following compounds contains the lead (II) ion? a. PbO b. PbCl₄ c. Pb₂O d. Pb₂S

PbO

Which of the following correctly represents an ion pair and the ionic compound the ions form? a. Ca²⁺, F⁻; CaF₂ b. Na⁺, Cl⁻; NaCl₂ c. Ba²⁺, O²⁻; Ba₂O₂ d. Pb⁴⁺, O²⁻; Pb₂O₄

Pb⁴⁺, O²⁻; Pb₂O₄

Select the correct formula for sulfur hexafluoride. a. S₂ F₆ c. F₆ S₂ b. F₆ SO₃ d. SF₆

SF₆

Which of the following formulas represents a molecular compound? a. ZnO c. SO₂ b. Xe d. BeF₂

SO₂

In which of the following is the name and formula given correctly? a. sodium oxide, NaO b. barium nitride, BaN c. cobaltous chloride, CoCl₃ d. stannic fluoride, SnF₄

Stannic Fluoride, SnF4

What is the correct name for Sn₃ (PO₄ )₂ ? a. tritin diphosphate c. tin(III) phosphate b. tin(II) phosphate d. tin(IV) phosphate

Tin(II) phosphate

An -ate or -ite at the end of a compound name usually indicates that the compound contains ____. a. fewer electrons than protons elements b. neutral molecules c. only two d. a polyatomic anion

a polyatomic ion

Sulfur hexafluoride is an example of a ____. a. monatomic ion b. polyatomic ion c. binary compound d. polyatomic compound

binary compound

Which of the following correctly provides the names and formulas of polyatomic ions? a. carbonate: HCO₃⁻; bicarbonate: CO₃²⁻ b. nitrite: NO⁻; Nitrate: NO₂⁻ c. sulfite: S²⁻; sulfate: SO₃⁻ d. chromate: CrO₄; dichromate: Cr₂O₇²⁻

chromate: CrO₄; dichromate: Cr₂O₇²⁻

Molecular compounds are usually ____. a. composed of two or more transition elements b. composed of positive and negative ions c. composed of two or more nonmetallic elements d. exceptions to the law of definite proportions

composed of two or more nonmetallic elements

Which of the following correctly provides the name of the element, the symbol for the ion, and the name of the ion? a. fluorine, F , fluoride ion b. zinc, Zn , zincate ion c. copper, Cu , cuprous ion d. sulfur, S , sulfurous ion

copper, Cu⁺, cuprous ion

The nonmetals in Groups 6A and 7A ____. a. lose electrons when they form ions b. have a numerical charge that is found by subtracting 8 from the group number c. all have ions with a -1 charge d. end in -ate

have a numerical charge that is found by subtracting 8 from the group number

Which set of chemical name and chemical formula for the same compound is correct? a. ammonium sulfite, (NH ) S b. iron(III) phosphate, FePO c. lithium carbonate, LiCO d. magnesium dichromate, MgCrO

iron(III) phosphate, FePO

Which element, when combined with fluorine, would most likely form an ionic compound? a. lithium b. carbon c. phosphorus d. chlorine

lithium

When Group 2A elements form ions, they ____. a. lose two protons c. lose two electrons b. gain two protons d. gain two electrons

lose two electrons

Which polyatomic ion forms a neutral compound when combined with a group 1A monatomic ion in a 1:1 ratio? a. ammonium b. carbonate c. nitrate d. phosphate

nitrate

What is the correct name for the N ion? a. nitrate ion c. nitride ion b. nitrogen ion d. nitrite ion

nitride ion

Which of the following correctly shows a prefix used in naming binary molecular compounds with its corresponding number? a. deca-, 7 c. hexa-, 8 b. nona-, 9 d. octa-, 4

nona-, 9

Binary molecular compounds are made of two ____. a. metallic elements c. polyatomic ions b. nonmetallic elements d. cations

nonmetallic elements

What type of ions have names ending in -ide? a. only cations c. only metal ions b. only anions d. only gaseous ions

only anions

What type of compound is CuSO ? a. monotomic ionic b. polyatomic covalent c. polyatomic ionic d. binary molecular

polyatomic ionic

Which set of chemical name and chemical formula for the same compound is correct? a. iron (II) oxide, Fe₂O₃ b. aluminum fluorate, AIF₃ c. tin (IV) bromide, SnBr₄ d. potassium chloride, K₂Cl₂

potassium chloride, K₂Cl₂

In naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by ____. a. Roman numerals c. prefixes b. superscripts d. suffixes

prefixes

When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by a ____. a. prefix c. Roman numeral following the name b. suffix d. superscript after the name

roman numeral following the name

Which of the following is NOT a cation? a. iron(III) ion c. Ca b. sulfate d. mercurous ion

sulfate

What is the name of H₂ SO₃ ? a. hyposulfuric acid c. sulfuric acid b. hydrosulfuric acid d. sulfurous acid

sulfurous acid

What is the ending for the names of all binary compounds, both ionic and molecular? a. -ide b. -ite c. -ade d. -ate

-ide

When naming acids, the prefix hydro- is used when the name of the acid anion ends in ____. a. -ide c. -ate b. -ite d. -ic

-ide

When the name of an anion that is part of an acid ends in -ite, the acid name includes the suffix ____. a. -ous c. -ate b. -ic d. -ite

-ous

Aluminum is a group 3A metal. Which ion does A1 typically form? a. Al c. Al b. Al d. Al

Al³⁺

What is the correct formula for barium chlorate?

Ba(ClO3)2

Which of the following formulas represents an ionic compound? a. CS₂ b. BaI₂ c. N₂O₄ d. PCl³

BaI₂

What is the formula for hydrosulfuric acid? a. H₂ S₂ c. HSO₂ b. H₂ SO₂ d. H₂ S

H₂S

What is the formula for sulfurous acid? a. H₂ SO₄ c. H₂ SO₂ b. H₂ SO₃ d. H₂ S

H₂SO₃

What is the formula for phosphoric acid? a. H₂ PO₃ c. HPO₂ b. H₃ PO₄ d. HPO₄

H₃PO₄

Which of the following shows both the correct formula and correct name of an acid? a. HClO₂ , chloric acid c. H₃ PO₄ , phosphoric acid b. HNO₂ , hydronitrous acid d. HI, iodic acid

H₃PO₄, phosphoric acid

What is the correct formula for potassium sulfite a. KHSO₃ b. KHSO₄ c. K₂SO₃ d. K₂SO₄

KHSO₃

In which of the following are the symbol and name for the ion given correctly? a. Fe : ferrous ion; Fe : ferric ion b. Sn : stannic ion; Sn : stannous ion c. Co : cobalt(II) ion; Co : cobaltous ion d. Pb : lead ion; Pb : lead(IV) ion

Fe²⁺ : ferrous ion; Fe³⁺ : ferric ion