Periodic Table

Which of the following has a full outer level?

• Oxygen
• Neon
• Barium
• Carbon

Which of the following has six valence electrons?

• Sodium
• Iodine
• Oxygen
• Neon

How many dots would a Lewis Dot structure of Helium have?

• 1
• 2
• 8
• 0

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• None of these

Which of the following is unique for any given element?

• the number of neutrons
• the charge on the electrons
• the number of protons
• the mass of a neutron

The part of the atom that determines the identity of the atom

• proton
• nucleus
• electron
• neutron

The element symbol for potassium:

• P
• Po
• Pt
• K

Is Hydrogen considered a metal or a non-metal?

• Metal
• Non-metal
• Metalloid 
• liquid 

Gold  has how many protons?

• 47
• 79
• 31
• 17

What element is represented in this Bohr Model? 

• Carbon
• Hydrogen
• Aluminum
• Lithium