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10 questions
Calcium is a group 2A metal, and Bromine is a group 7A nonmetal. What is the name of the compound? What type of compound is formed?
Calcium dibromide; covalent
Calcium dibromide; ionic
Calcium bromide; covalent
Calcium bromide; ionic
Sodium is a metal in group 1A. Nitrogen is a nonmetal in group 5A. They form an ionic compound called Sodium Nitride. What is the chemical formula for sodium nitride?
N3Na
Na3N
NaN
NNa
Nitrogen is a group 5A nonmetal, and Chlorine is a group 7A nonmetal. What is the name of the compound they form? What type of compound do they form?
Nitrogen chloride; covalent
Nitrogen chloride; ionic
Nitrogen trichloride; covalent
Nitrogen trichloride; ionic
What is the chemical formula for the covalent compound diphosphorus tetrabromide
Br4P2
P2Br5
P2Br4
P3Br5
Greek prefixes are used when naming ionic compounds.
True
False
When writing the name of ionic compounds the name of the metal is always written first.
True
False
The charge of the copper ion in Copper (II) chloride is
1+
1-
2+
2-
The charge of the iron ion in Iron (III) sulfide is
2-
2+
3-
3+
Aluminum is a group 3A metal. Oxygen is a group 6A nonmetal. What type of compound will they form? What is the formula for the compound?
ionic; Al2O3
covalent; Al2O3
ionic; Al3O2
covalent; Al3O2
What type of compound is formed when Chlorine (Group 7A nonmetal) and Oxygen (Group 6A nonmetal) combine? What is the name of the compound?
ionic; dichlorine heptaoxide
covalent; dichlorine heptaoxide
ionic; chlorine hexaoxide
covalent; chlorine hexaoxide
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