Ions

What atom matches this electron configuration?

1s²2s²p⁶3s²p⁶4s²

• Titanium

• Calcium

• Carbon

• Argon

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?

1s²2s²p⁶3s²p⁶d⁵4s¹

• Potassium

• Manganese

• Chromium

• Germanium

Tags

NGSS.HS-PS1-1

How many electrons does potassium contain?

• 40

• 21

• 19

• 38

Tags

NGSS.HS-PS1-1

What electron configuration matches an copper atom?

• 1s²2s2p⁶3s²p⁶d¹⁰4s¹

• 1s²2s²p³

• 1s²2s²p⁶

• 1s²2s²p⁶3s²p⁶d¹4s²

Tags

NGSS.HS-PS1-1

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

What is this element?

1s²2s²p⁶

• Neon

• Magnesium

• Aluminum

• Potassium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Identify the Electron Configuration for Aluminum

• 1s² 2s² p⁶ 3s² p¹

• 1s² 2s² p⁶ 3s² p³

• 1s² 2s² p⁶ 3s² 4p¹

Tags

NGSS.HS-PS1-1

Which is the electron configuration for an oxygen atom?

• 1s²2s²p⁶3s²p⁶4s²

• 1s²2s²p⁴

• 1s²2s²p⁶

• 1s²2s²p⁶3s²p⁶

Tags

NGSS.HS-PS1-1

How many valence electrons are represented here?

• 7
• 5
• 2
• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the shorthand electron configuration for Sulfur atom?

• [Ar] 3p⁴

• [He] 3s²p⁴

• [Ne] 3s²p⁴

• [Na] 3s²p³

Tags

NGSS.HS-PS1-1