Electrons and Orbitals

What atom matches this electron configuration?

• Zinc

• Copper

• Nickel

• potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵

• 1s²2s²2p⁴

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Tags

NGSS.HS-PS1-1

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

• 3

• 6

• 8

• 10

Tags

NGSS.HS-PS1-1

Valence electrons are: 

• Electrons farthest away from the nucleus

• Electrons closest to the nucleus

• Electrons that just come and go - they don't stay with the atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons can an p sublevel hold?

• 2

• 3

• 6

• 10

How many electrons can an f sublevel hold?

• 2

• 6

• 10

• 14

Electrons fill energy levels and sublevels of _____ energy first.

• lower

• higher

Tags

NGSS.HS-PS1-1

How many valence electrons does aluminum?

• 13

• 1

• 3

• 5

Tags

NGSS.HS-PS1-1

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

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Germanium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2