Electron Configuration

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

What electron configuration matches an oxygen atom?

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

How many 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

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

• 3
• 6
• 8
• 10

What is this element?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

There are 4 different types of subshells s,p,d,f

• true
• false

Which electron configuration belongs to Copper (Cu)?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

What is the maximum number of electrons that an orbital can have?

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