Ionic and Covalent Vocabulary

A positive ion

• gained electrons

• Lost electrons

A positive ion is usually

• a metal

• a nonmetal

A negative ion

• gained electrons

• Lost electrons

Tags

NGSS.HS-PS1-2

A negative ion is usually

• a metal

• a nonmetal

Ionic bond is formed by

• The attraction of oppositely charged ions

• The attraction of similarly charged ions

• The sharing of electrons

Tags

NGSS.HS-PS1-3

A covalent bond is formed by

• The attraction of oppositely charged ions

• The attraction of similarly charged ions

• The sharing of electrons

Tags

NGSS.HS-PS1-2

In a covalent bond, the shared electrons are

• attracted to both nuclei of the bonded atoms.

• attracted to one nucleus only.

• repulsed by both nuclei of the bonded atoms.

• repulsed to one nucleus only.

A polyatomic ion

• is always positive

• is always negative

• is a groups of atoms with a charge,

• does not have a charge

An atom with two valence electrons will

• gain two electrons and have a +2 charge.

• gain two electrons and have a -2 charge.

• lose two electrons and have a +2 charge.

• gain two electrons and have a -2 charge.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom with five valence electrons will

• gain three electrons and have a -3 charge.

• lose three electrons and have a -3 charge.

• gain three electrons and have a +3 charge.

• lose three electrons and have a +3 charge.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2