Unit 3 Review

Match the following

• titanium

• 
• potassium

• 
• sodium

• 
• magnesium

• 
• lithium

• 

How many electrons can go in the Second energy level?

• 2

• 8

• 18

• 32

How many electrons can fit in the first energy level?

• 8
• 2
• 4
• 6

What is the name of this element?

• Beryllium
• Boron
• Barium
• Bromine

What is a cation?

• A negatively charged ion

• An atom with no charge

• A positively charged ion

• A stable atom on the periodic table

What is an anion?

• A negatively charged particle

• An atom with no charge

• A positively charged ion

• A stable atom found on the periodic table

What is a method for representing an atom's valence electrons using dots around the element symbol?

• Lewis Dot Structure

• Bohr Diagram

• Ion Formation

What model shows electrons in circular orbits around the nucleus?

• Lewis Dot Structure

• Bohr Diagram

• Ion Formation

What rule states that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons?

• Valence Electron Rule

• Octet Rule

• Energy Level Rules

• All of the above

How many valence electrons does Helium Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron