Unit 2: Atomic Structure Review

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

What is the mass number of this atom?

• 1
• 3
• 4
• 7

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

How many valence electrons?

• 2
• 3
• 5
• 10

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

The innermost energy level has a maximum of how many electrons?

• 1

• 2

• 6

• 8

How many valence electrons?

• 2

• 4

• 6

• 8

Which Bohr model represents Neon?

• 
• 
• 
• 

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶4s²3d¹