Electron Configurations

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

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

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

What is the name of this element?

• Lithium
• Boron
• Carbon
• Neon

What is the name of this element?

• Beryllium
• Boron
• Barium
• Bromine

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

Identify this atom.

• Lithium
• Boron
• Carbon
• Neon

How many valence electrons?

• 2
• 3
• 5
• 10