Periodic Table Review

What element is this?

• Calcium
• Cesium
• Chlorine
• Cobalt

How many Energy Levels does this element have?

• 1
• 2
• 3
• 4

What is this elements atomic number?

• 17
• 21
• 16
• 1

How many valence electrons does this element have?

• 1
• 2
• 5
• 7

How many neutrons does this element have?

• 16
• 35
• 19
• 22

How do you calculate the number of neutrons in an atom?

• Subtract Protons and Electons
• Add Protons and Electrons
• Subtract the atomic mass and the atomic number
• add the atomic mass and the atomic number

What period number is Argon in?

• 3
• 4
• 5
• 6

How many protons does cobalt have?

• 22
• 26
• 27
• 31

How many electrons does cobalt have?

• 22
• 26
• 27
• 31

What element is this?

• Hydrogen
• Lithium
• Potassium
• Iron