Chemistry Final Exam Review Pt. 3

Front

What is the Mn 3+ ion?

Back

The Mn 3+ ion is a manganese ion with a +3 charge, indicating it has lost three electrons.

Front

Which compound contains the Mn 3+ ion?

Back

Mn₂O₃ contains the Mn 3+ ion.

Front

What do the -ite and -ate endings in polyatomic ions signify?

Back

The -ite and -ate endings indicate that oxygen is present in the formula.

Front

What is a diatomic molecule?

Back

A diatomic molecule is a molecule composed of two atoms, which can be of the same or different elements.

Front

Which diatomic molecule is joined by a double covalent bond?

Back

O2 (oxygen) is joined by a double covalent bond.

Front

What is the atomic mass of an element?

Back

The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What do atomic masses of elements contain the same number of?

Back

Atomic masses of any two elements contain the same number of ions.

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions.

Front

What is a compound held together by ionic bonds called?

Back

A compound held together by ionic bonds is called a salt.

Front

What is a covalent bond?

Back

A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons.