chemical bonding

A _______ is the force that holds atoms together in a compound.

• Chemical Formula

• Chemical Reaction

• Chemical Bond

• Synthesis Reaction

Covalent bonds form between ---

• nonmetals.

• metals and metals

• metals and nonmetals

What are valence electrons?

• sum of the protons and neutrons

• protons minus electrons

• electrons in the inner shells

• electrons in the outer shell

Atoms that gain an electron have an electric charge of ---

• -1.

• -2.

• +1.

• +2.

Tags

NGSS.MS-PS2-3

Atoms form compounds to become more ---

• reactive

• stable

• explosive

• toxic

Atoms gain lose, gain, or ______electrons to get a stable outer energy level.

• share

• split

• create

• destroy

Tags

NGSS.MS-PS1-1

According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.

• 2

• 4

• 8

• 10

Ionic bonds form between two ions that have...

• ionic compounds
• negative charges
• positive charges
• opposite charges

What is a positive ion called?

• anion

• cation

• isotope

• covalent

What is a negative ion called?

• anion

• cation

• covalent

• isotope