Chapter 9 part 1

Which element, when combined with fluorine, would most likely form and ionic compound? A)lithium B)carbon C)phosphorus D)chlorine

A

Which of the following compounds contains the lead (II) ion? A) PbO B) PbCl4 C) Pb2O D) Pb2S

A

Aluminum is a group 3A metal. Which ion does it typically form?

Al^3+

Which of the following formulas represents an ionic compound? A) CS2 B) Bal2 C) N2O4 D) PCL3

B

In which of the following is the name and formula given correctly? A) sodium oxide, NaO B) barium nitride, Ban C) cobalt (III) chloride, CoCl3 D) tin (II) fluoride, SnF4

C

Which of the following compounds contains the Mn^3+ ion? A)MnS B)MnBr2 C)Mn2O3 D)MnO

C

Which of the following correctly provides the name of the element, the symbol for the ions and the name of the ion? A) fluorine, F^+, fluoride ion B) Zinc, Zn^2+, Zincate ion C) cobalt, Co^+, cobalt (I) ion D) sulfur, S^2+

C

Which of the following is a cation? A) SO3^2- B) sulfate C) Ca^+ D) chlorite

C

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

C

In which of the following are the formula of ionic compound and the charge on the metal ion show correctly? A) UCL5, U^+ B) ThO, Th^4+ C) IrS2, Ir^2+ D) NiO, Ni^2+

D

Which of the following correctly provides the names and formulas of platonic ions? A) Carbonate: HCO^-; hydrogen carbonate: CO3^2- B) Nitrate: NO^-; nitrate: No3^- C) sulfite: S^2-; sulfate: So3 D) chromate: Cr2O4^2-; dichromate: Cr2O7^2-

D

Which of the following correctly represents an ion poor and the ionic compound the ions form? A) Ca^2+, F^-; CaF B) Na^+, Cl^-; NaCl2 C) Ba^2+, O^2-; Ba2O2 D) Pb^4+, O^2-; PbO2

D

Which of the following shows correctly an ion poor and the ionic compound the two ions form? A) Sn^4+, N^3+; Sn4N3 B) Cu^2+, O^2-; Cu2O2 C) Cr^3+, I^-; CrI D) Fe^3+, O^2-; Fe2o3

D

What is the correct formula for potassium sulfate?

K2SO4

produces a hydrogen ion when dissolved in water

acid

atom or group of atoms having a negative charge

anion

produces a hydroxide ion when dissolved in water

base

compound composed of two different elements

binary compound

atom or group of atoms having a positive charge

cation

How are chemical formulas of binary ionic compounds generally written?

cation on left, anion on right

The ions formed by nonmetals in Groups 6A and 7A

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

in any chemical compound, the masses of elements are always in the same proportion by mass

law of definite proportions

when two elements form more than one compound, the masses of one element that combine with mass of the other element are in the ratio of small, whole numbers

law of multiple proportions

When Group 2A elements form ions, they

lose 2 electrons

What is the correct name for the N ion?

nitride ion

What type of ions have names ending in -ide?

only anions

tightly-bound group of atoms that behaves as a unit and carries a net charge

polyatomic ion

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

roman numeral following the name

Which of the following is true about the composition of ionic compounds?

they are composed of anions and cations

Which of the following determines that and element is a metal?

whether it loses valence electrons