Electron Configurations

Front

Which complete electron configuration belongs to chlorine (Cl)?

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

Back

1s² 2s² 2p⁶ 3s² 3p⁵

Front

Which element is this: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶?

Back

Krypton

Front

What element has this electron configuration?
Options: hydrogen, helium, lithium, beryllium

Back

hydrogen

Front

Which of the following electrons would be the furthest from the nucleus?

1s

,

2s

,

2p

,

3s

Back

3s

Front

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

Back

10

Front

What is the noble gas configuration for sulfur atom?

Back

[Ne] 3s²3p⁴

Front

In an electron configuration, what follows after the 4s is filled? Options: 4p, 3d, 4s, 2f

Back

3d

Front

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰
Options: Zinc, Copper, Nickel, Germanium

Back

Zinc

Front

What atom matches this electron configuration?
1s²2s²2p⁶3s²
Options: Neon, Magnesium, Aluminum, Potassium

Back

Magnesium

Front

Choose the correct noble gas configuration for iodine.

Back

[Kr]5s²4d¹⁰5p⁵