Electron Configurations and Light

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

What is the noble gas shorthand electron for Sulfur atom?

• [Ar] 3p⁴
• [He] 3s²3p⁴
• [Ne] 3s²3p⁴
• [Na] 3s²3p⁴
  

What atom matches this electron configuration?
[Xe] 6s²4f¹⁴5d⁹

• Mercury
• Gold
• Platinum
• Thallium

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

• 14
• 28
• 2
• 4

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

An orbital can at most hold how many electrons?

• 1 electron
• 2 electrons
• 3 electrons
• 4 electrons

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

The electron configuration of an atom is 1s²2s²2p⁶.  The number of valence electrons in the atom is 

• 3
• 6
• 8
• 10

What is the highest occupied energy level in P?

• 1
• 2
• 3
• 4