Review Covalent Compounds

How many valence electrons are available for bonding in the sulfate ion (SO₄^-2)?

• 30 electrons

• 32 electrons

• 28 electrons

• impossible to tell

A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons is a _______________.

• nonpolar molecule

• polar molecule

• ionic compound

• metalic compound

Tags

NGSS.HS-PS1-1

Covalent bonds are formed between

• a metal and a metal.

• a nonmetal and a metal.

• a nonmetal and a nonmetal.

Covalent Bonding are formed by the

• sharing of electrons.

• transfer of electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a polar covalent bond, the electrons are

• shared equally.

• not shared equally.

• transferred.

In a nonpolar covalent bond, the electrons are

• shared equally.

• not shared equally.

• transferred.

NH3

• ionic compounds

• covalent compound

Cl2

• ionic compound

• covalent compound

Nonpolar colvalent bonds are

• symmetrical.

• asymmetrically.

Polar covalent bonds are

• symmetrical.

• asymmetrical.

Tags

NGSS.HS-PS1-1