CHEMICAL BOND

What is the name for an ion with a negative charge?

• cation

• anion

What is the name for an ion with a positive charge?

• cation

• anion

Why do elements bond?

• To be friends

• To create a new element

• To become stable

• To get bigger

15. What is a valence electron?

• an electron that is found in the outermost shell of an atom.

• an electron found in the innermost shell of an atom.

• an electron found in the middle shell.

How many valence electrons in this structure?

• 6
• 5
• 4
• 7

What is the formula for aluminum fluoride?

• AlF
• Al₂F₃
• AlF₃
• Al₃F₂

Is the following compound ionic or covalent:
AlCl₃

• ionic 
• covalent

If an atom gains one electron what charge will it have?

• -2
• -1
• +1

If an atom loses two electrons what charge will it have?

• -2
• -1
• +1
• +2

A compound forms between a metal and a nonmetal. It is

• ionic

• metallic

• covalent