bonding review

The basic unit of an element is called ____

• atom

• molecule

• proton

• ion

Tags

NGSS.MS-PS1-1

Electrons in the outer layer are called ___.

• octet

• valence electrons

• molecule

• covalent

The Octet Rule states that ___ electrons in the outer shell will make an atom stable.

• 2

• 6

• 8

• 10

Atoms that have gained or lost electrons are called ___.

• atom

• ion

• molecule

• chemical

Two more more DIFFERENT elements bonded together are called a _____.

• atom

• element

• compound

• ion

Tags

NGSS.MS-PS1-1

Two or more elements bonded together, but they can be the SAME OR DIFFERENT are called a ___.

• molecule

• compound

• atom

• chemical

Tags

NGSS.MS-PS1-1

_____ are a force that joins atoms together.

• ions

• atom

• chemical bonds

• valence

Electrons are lost or gained

• ionic

• covalent

electrons are shared between atoms

• ionic

• covalent

metal and nonmetal bonded together

• ionic

• covalent