Electron Configuration and Valence Electrons

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵

• 1s²2s²2p⁴

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Tags

NGSS.HS-PS1-1

Identify the Electron Configuration for Aluminum (Al)

• 1s² 2s² 2p⁶ 3s² 3p¹

• 1s² 2s² 2p⁶ 3s² 3p³

• 1s² 2s² 2p⁶ 3s² 4p¹

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Germanium

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?

1s²2s²2p⁶3s²

• Neon

• Magnesium

• Aluminum

• Potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Valence electrons are located...

• inside the nucleus

• in outer space

• on the outermost orbit of an atom

Tags

NGSS.HS-PS1-1

• 10

• 2

• 8

• 18

Tags

NGSS.HS-PS1-1

• 14

• 4

• 3

• 28

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This is a correct dot diagram for fluorine (F)

• true

• false

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for oxygen (O)

• true

• false

Tags

NGSS.MS-PS1-1

The elements in this group all have 5 valance electrons.

• Group 5

• Group 15

• Group 3

• Group 18