Electron Configuration

Front

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

Back

Magnesium

Front

Electron configuration for an oxygen atom?

Back

1s²2s²2p⁴

Front

How many valence electrons are represented here? Options: 7, 5, 2, 8

Back

5

Front

How many d orbitals are there in a given sublevel? Options: 1, 3, 5, 7

Back

5

Front

How many p orbitals are there in a sublevel?

Back

3

Front

How many electrons can the d sublevel hold?

Back

10

Front

What is this element? 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶

Back

Krypton

Front

What atom matches this electron configuration? [Xe] 6s² 4f¹⁴ 5d⁹
Options: Mercury, Gold, Platinum, Thallium

Back

Gold

Front

What is the shorthand electron configuration for Sulfur atom? Options: [Ar] 3p⁴, [He] 3s²3p⁴, [Ne] 3s²3p⁴, [Na] 3s²3p³

Back

[Ne] 3s²3p⁴

Front

How many electrons can the first energy level hold?

Back

2