ionic vs covalent bonding

A bond is a force that holds ______________ together to form a molecule

• atoms

• elements

A molecule is the smallest unit of a

• element

• compound

Most things you come in contact with are

• elements

• compounds

In the formula CO_2, how many atoms of Carbon are there?

• 1

• 2

In the formula NaCl, how many different elements are there?

• 1

• 2

• 3

Ionic bonding involves and atoms ____________ electrons

• sharing

• giving and taking

The oxidation number is the number of _______________ an atom tends to give or take away during bonding.

• electrons

• protons

All atoms would like this

• a full outer shell of electrons

• 2 electrons short of a full shell

The outer shell electrons are known as ________________ electrons

• outer

• valence

Ionic bonding occurs between a ____________ and a ___________.

• metal, metal

• metal , nonmetal