Electron Configuration

Electron Configuration

Electron Configuration

For each element, answer with the correct electron configuration.

Look out for charges!

Multiple Choice

B (Boron)

• 1s2 2s2 2p1

• 1s2 2s2 2p6

• 1s2 1p6 2s1

• 1s2 2p3

Multiple Choice

Na (Sodium)

• 1s2 1p6 2s2 2p1

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6 3s1

• 1s2 2s2 3s2 2p5

Multiple Choice

Sc (Scandium)

• 1s2 1p6 2s2 2p6 3s2 3p3

• 1s2 2s2 2p6 3s2 3p6 4s2 4p1

• 1s2 2s2 2p6 3s2 3p6 3d3

• 1s2 2s2 2p6 3s2 3p6 4s2 3d1

Multiple Choice

Be (Beryllium) with a +2 charge

• 1s2 2s2 2p2

• 1s2

• 1s4

• 1s2 2p2

Multiple Choice

V (Vanadium) with a +3 charge

• 1s2 2s2 2p6 3s2 3p6 4s2 3d3

• 1s2 2s2 2p6 3s2 3p6 3d5

• 1s2 2s2 2p6 3s2 3p6 4s2

• 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Multiple Choice

Ca ( Calcium)

• [Ar] 4s2

• [Ar] 1s2

• [Kr] 4s2

• [Kr] 1s2

Multiple Choice

Si ( Silicon)

• [Ne] 1s2 s2s 2p6 3s2 3p2

• [Ar] 1s2 s2s 2p6 3s2 3p2

• [Ne] 1s2 2s2

• [Ne] 3s2 3p2

Multiple Choice

As (Arsenic) with a -3 charge

• [Ne] [Ar] 4s2 3d10 4p6

• [Ar] 4s2 3d10 4p6

• [Ar] [Ar] 4s2 3d10 4p3

• [Ne] 4s2 3d10 4p3

Multiple Choice

Cl (Chlorine) with a -1 charge

• [Ne] 3s2 3p4

• [Ne] 3s2 3p5

• [Ne] 3s2 3p6

• [Ar] 3s2 3p6

Multiple Choice

Al (Aluminum)

• [Ne] 3s2 3p1

• [Ar] 3s2 3p1

• [Ne] 1s2 2s1

• [Ne] 3p1