Electron Configurations

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d³

• Vanadium

• Copper

• Nickel

• Germanium

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NGSS.HS-PS1-1

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 electrons in the atom is 

• 3
• 6
• 8
• 10

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NGSS.HS-PS1-1

Which electron configuration belongs to Chlorine (Cl)?

• 1s² 2s² 2p⁶ 3s² 3p⁵
• 1s² 2s² 2p⁶ 3s² 3p⁶
• 1s² 2s² 2p⁶ 3s² 3p⁷

Tags

NGSS.HS-PS1-1

How many electrons can the d sublevel hold?

• 14
• 10
• 2
• 6

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NGSS.HS-PS1-1

How many electrons can the s sublevel hold?

• 14
• 10
• 2
• 6

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Tags

NGSS.HS-PS1-1

Each row on the periodic table represents:

• an energy level

• a sublevel

• an electron

• an orbital

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NGSS.HS-PS1-1

In an electron configuration, the energy levels are denoted by:

• letters

• coefficients

• a combination of letters and numbers

• superscripts

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Tags

NGSS.MS-PS1-1