Unit 3 Review: The Periodic Table

How many electron shells does Magnesium have?

• 1

• 2

• 3

• 4

How many electron shells does Iodine have?

• 4

• 5

• 6

• 7

How many valence electrons does Magnesium have?

• 1

• 2

• 3

• 4

How many valence electrons does Iodine have?

• 4

• 5

• 6

• 7

What do protons and electrons do to each other?

• Attract

• Repel

• Nothing

If an atoms' valence electrons are very far away from the nucleus, are the force of attraction be strong or weak?

• Strong

• Weak

If an atom has a large amount of protons in the nucleus, will the force of attraction on the electrons be strong or weak?

• Strong

• Weak

What is beryllium?

• Metal

• Nonmetal

• Metalloid

What is neon?

• Metal

• Nonmetal

• Metalloid

What is silicon?

• Metal

• Nonmetal

• Metalloid