untitled

What atom matches this electron configuration?

1s² 2s² 2p⁶ 3s²

• Neon (Ne)

• Magnesium (Mg)

• Aluminum (Al)

• Potassium (K)

Which is the electron configuration for an oxygen (⁸O) atom?

• 1s²2s²2p⁶3s²3p⁶4s²

• 1s²2s²2p⁴

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁶

How many electrons can the second energy level hold? 2n²

n=2

• 1

• 2

• 8

• 0

Which element is pictured?

• neon (Ne)

• fluorine (F)

• magnesium (Mg)

• argon (Ar)

What are the 4 Sublevels

• 1, 3, 5, 7

• 2, 6, 10, 14

• a, b, c, d

• s, p, d, f

What do the underlined numbers represent in this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d⁸

• Energy Level

• Sublevel

• Orbitals

• Number of electrons

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

• 3
• 6
• 8
• 10

What is the maximum number of electrons that a d sublevel can hold?

• 2 electron

• 6 electrons

• 10 electrons

• 14 electrons