Physical Science Review 2nd Nine Weeks 2020

If I gain electrons I become

• Positive because I've added to my atom
• negative because I've added electrons
• same because i'm balanced
• equal because now I have electrons

Metals tend to 

• gain electrons
• lose electrons

How many valence electrons does a bromine atom have?

• 1
• 2
• 6
• 7

When a nonmetal gains electrons, it becomes this type of ion.

• Anion
• Cation

When a metal loses electrons, it becomes this type of ion.

• anion
• cation

Compounds made from only nonmetals are _________________ compounds.

• ionic
• covalent
• metallic
• chemical

A covalent bond involves a __________ of electrons.

• sharing
• borrowing
• exchanging
• switching

What is the symbol for hydrogen?

• Hy

• H

• He

• Ho

What is the symbol for helium?

• Hy

• H

• He

• Ho

What is the symbol for beryllium?

• Be

• B

• Ba

• Br