Periodic Table Review

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

How many valence electrons does Tin (Sn) have?

• 8

• 7

• 5

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does Bromine (Br) have?

• 5

• 6

• 7

• 8

Tags

NGSS.HS-PS1-1

What is a valence electron?

• an electron that is found in the outermost shell of an atom. 
• an electron found in the innermost shell of an atom.
• an electron found in the middle shell.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons can the d sublevel hold?

• 8
• 10
• 2
• 4

How many electrons can the p sublevel hold?

• 8
• 6

• 2
• 4

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵

• 1s²2s²2p⁴

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Germanium

Tags

NGSS.HS-PS1-1

Which orbital is displayed correctly?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

Which element has a configuration of 1s2 2s2 2p6?

• Neon

• Helium

• Argon

• Krypton

Tags

NGSS.HS-PS1-1