monatomic ion
Consists of a single atom with a positive or negative charge
anion
atom or group of atoms having a negative charge
cation
atom or group of atoms having a positive charge
polyatomic ion
tightly-bound group of atoms that behaves as a unit and carries a net charge
binary compound
compound composed of two different elements
acid
produces a hydrogen ion when dissolved in water
base
produces a hydroxide ion when dissolved in water
only anions
what types of ions have names ending in -ide
lose two electrons
when group 2A elements form ions they
nitride ion
what is the correct name for the N3- ion
roman numeral following the name
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
Al³⁺
aluminum is a group 3A metal. Which ion does A1 typically form?
Fe²⁺ : ferrous ion; Fe³⁺ : ferric ion
In which of the following are the symbol and name for the ion given correctly?
copper, Cu⁺, cuprous ion
Which of the following correctly provides the name of the element, the symbol for the ion, and the name of the ion
have a numerical charge that is found by subtracting 8 from the group number
The ions formed by nonmetals in Groups 6A and 7A
Ca²⁺
Which of the following is a cation
SO₃²⁻
sulfate
Ca²⁺
chlorite
SO₃²⁻
sulfate
Ca²⁺
chlorite
chromate: CrO₄; dichromate: Cr₂O₇²⁻
Which of the following correctly provides the names and formulas of polyatomic ions?
carbonate: HCO₃⁻; bicarbonate: CO₃²⁻
nitrite: NO⁻; Nitrate: NO₂⁻
sulfite: S²⁻; sulfate: SO₃⁻
chromate: CrO₄; dichromate: Cr₂O₇²⁻
carbonate: HCO₃⁻; bicarbonate: CO₃²⁻
nitrite: NO⁻; Nitrate: NO₂⁻
sulfite: S²⁻; sulfate: SO₃⁻
chromate: CrO₄; dichromate: Cr₂O₇²⁻
Mn₂O₃
Which of the following compounds contains the Mn³⁺ ion?
MnS
MnBr₂
Mn₂O₃
MnO
MnS
MnBr₂
Mn₂O₃
MnO
Cation on left, anion on right
How are chemical formulas of ionic compounds generally written?
they are composed of anions and cations
Which of the following is true about the composition of ionic compounds?
they are composed of anions and cations
they are composed of anions only
they are composed of cations only
they are formed from two or more nonmetallic elements
they are composed of anions and cations
they are composed of anions only
they are composed of cations only
they are formed from two or more nonmetallic elements
BaI₂
Which of the following formulas represents an ionic compound?
CS₂
BaI₂
N₂O₄
PCl³
CS₂
BaI₂
N₂O₄
PCl³
lithium
Which element, when combined with fluorine, would most likely form an ionic compound?
lithium
carbon
phosphorus
chlorine
lithium
carbon
phosphorus
chlorine
Cu²⁺, O²⁻; Cu₂O₂
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
a. Sn⁴⁺, N³⁻; Sn₄N₃
b. Cu²⁺, O²⁻; Cu₂O₂
c. Cr³⁺, I⁻; CrI
d. Fe³⁺, O²⁻; Fe₂O₃
ThO₂, Th⁴⁺
In which of the following are the formula of the ionic compound and the charge on the metal ion shown correctly?
a. UCI₅, U⁺
b. ThO₂, Th⁴⁺
c. IrS₂, Ir²⁺
d. NiO, Ni⁺
a. UCI₅, U⁺
b. ThO₂, Th⁴⁺
c. IrS₂, Ir²⁺
d. NiO, Ni⁺
Pb⁴⁺, O²⁻; Pb₂O₄
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
a. Ca²⁺, F⁻; CaF₂
b. Na⁺, Cl⁻; NaCl₂
c. Ba²⁺, O²⁻; Ba₂O₂
d. Pb⁴⁺, O²⁻; Pb₂O₄
PbO
Which of the following compounds contains the lead (II) ion?
a. PbO
b. PbCl₄
c. Pb₂O
d. Pb₂S
a. PbO
b. PbCl₄
c. Pb₂O
d. Pb₂S
potassium chloride, K₂Cl₂
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
a. iron (II) oxide, Fe₂O₃
b. aluminum fluorate, AIF₃
c. tin (IV) bromide, SnBr₄
d. potassium chloride, K₂Cl₂
KHSO₃
What is the correct formula for potassium sulfite
a. KHSO₃
b. KHSO₄
c. K₂SO₃
d. K₂SO₄
a. KHSO₃
b. KHSO₄
c. K₂SO₃
d. K₂SO₄
composed of two or more nonmetallic elements
Molecular compounds are usually
prefixes
In naming a binary molecular compound the number of atoms of each element present in the molecule is indicated by
nona-, 9
Which of the following correctly shows a prefix used in naming binary molecular compounds with its corresponding number?
a. deca-, 7
b. nona-, 9
c. hexa-, 8
d. octa-, 4
a. deca-, 7
b. nona-, 9
c. hexa-, 8
d. octa-, 4
BeF₂
Which of the following formulas represents a molecular compound?
a. ZnO
b. Xe
c. SO₂
d. BeF₂
a. ZnO
b. Xe
c. SO₂
d. BeF₂
Consider a mystery compound having the formula M(x)T(y). If the compound is not an acid, if it contains only two elements, and if M is not a metal, which of the following is true about the compound?
a. it contains a polyatomic ion
b. its name ends in -ite or -ate
c. its name ends in -ic
d. it is a binary molecular compound
a. it contains a polyatomic ion
b. its name ends in -ite or -ate
c. its name ends in -ic
d. it is a binary molecular compound
H₃PO₄
What is the formula for phosphoric acid?
CaCl₂ and CaBr₂
Which of the following pairs of substances best illustrates the law of multiple proportions?
a. H₂ and O₂
b. P₂O₅ and PH₃
c. CaCl₂ and CaBr₂
d. NO and NO₂
a. H₂ and O₂
b. P₂O₅ and PH₃
c. CaCl₂ and CaBr₂
d. NO and NO₂
SF₆
Select the correct formula for sulfur hexafluoride
a. S₂F₆
b. F₆SO₃
c. F₆S₂
d. SF₆
a. S₂F₆
b. F₆SO₃
c. F₆S₂
d. SF₆
cobalt (II) chloride
What is the correct name for the compound CoCl₂?
it is a base
Suppose you encounter a chemical formula with H as the cation. What do you know about this compound immediately?
copper (II) Nitrate
Write the name for the following compound:
Cu(NO₃)₂
Cu(NO₃)₂
Barium Chloride
Write the name for the following compound:
BaCl₂
BaCl₂
Write the name for the following compound:
H₂SO₄
H₂SO₄
nitrogen tetralodide
Write the name for the following compound:
NI₃
NI₃
ammonium chromate
Write the name for the following compound:
(NH₄)₂CrO₄
(NH₄)₂CrO₄
(NH₄)Co₃
Write the formulas for the following compounds:
ammonium carbonate
ammonium carbonate
Write the formulas for the following compounds:
carbon tetrachloride
carbon tetrachloride
CuSO₄
Write the formulas for the following compounds:
copper (II) sulfate
copper (II) sulfate
Write the formulas for the following compounds:
hydrochloric acid
hydrochloric acid
Mg(OH⁻)₂
Write the formulas for the following compounds:
magnesium hydroxide
magnesium hydroxide
How can you determine the charges of monatomic ions?
How do polyatomic ions differ
