Electron Configuration

Front

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

Back

Magnesium

Front

How many electrons can the d sublevel hold?

Back

10

Front

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

Back

Gold

Front

Which element is pictured? Options: neon, fluorine, magnesium, argon

Back

neon

Front

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

Back

Aufbau Principle

Front

What does Pauli exclusion principle state?

Back

States that a maximum of two electrons can occupy a single atomic orbital, but only if the electrons have opposite spins.

Front

What does Hund's rule state?

Back

States that single electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals.

Front

Shortcut configuration for iodine:

[Ar]4s²4d¹⁰4p⁵

,

[Kr]5s²4d¹⁰5p⁵

,

[Xe]5s²5d¹⁰5p⁵

,

none of the above

Back

[Kr]5s²4d¹⁰5p⁵

Front

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

Back

Zinc

Front

Which one is the electron configuration for an oxygen atom?

Options:

1s²2s²2p⁶3s²3p⁶4s²

,

1s²2s²2p⁴

,

1s²2s²2p⁶

,

1s²2s²2p⁶3s²3p⁶

Back

1s²2s²2p⁴