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