Unit 5 test: Nomenclature ionic and covalent compounds

Front

What is a molecular compound?

Back

A molecular compound is a chemical compound that consists of molecules formed by atoms of two or more different elements, held together by covalent bonds.

Front

What is the formula for phosphorus tribromide?

Back

PBr₃

Front

What type of bond do alkaline earth metals typically form?

Back

Ionic bond, as they easily give up their two outer electrons.

Front

What is the chemical formula for ammonium hydroxide?

Back

NH₄OH

Front

What is the formula for the ionic compound formed by calcium and bromine?

Back

CaBr₂

Front

What distinguishes ionic compounds from molecular compounds?

Back

Ionic compounds are formed from the electrostatic attraction between ions, while molecular compounds are formed by the sharing of electrons between atoms.

Front

What is the charge of a calcium ion?

Back

+2

Front

What is the charge of a bromide ion?

Back

-1

Front

How do you determine the formula of an ionic compound?

Back

Combine the charges of the ions to ensure the compound is neutral, adjusting the number of each ion as necessary.

Front

What is the significance of subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a molecule or compound.