Front

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

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Zinc

Front

What electron configuration matches an oxygen atom? Options: 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵, 1s²2s²2p⁴, 1s²2s²2p⁶, 1s²2s²2p⁶3s²3p⁶4s²3d¹

Back

1s²2s²2p⁴

Front

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

Back

10

Front

Electron Configuration for Aluminum (Al)

Back

1s² 2s² 2p⁶ 3s² 3p¹

Front

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule? Options: Hund’s Rule, Aufbau Principle, Pauli Exclusion Principle

Back

Aufbau Principle

Front

What is this element? 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶

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Krypton

Front

How many electrons can the first energy level hold?

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2

Front

What atom matches this electron configuration?
1s² 2s² 2p⁶ 3s²
Options: Neon, Magnesium, Aluminum, Potassium

Back

Magnesium

Front

How many electrons can the s sublevel hold?

Back

2

Front

What is the charge of an atom that has lost one electron? Options: -1, -2, +1, +2

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+1