Electrons in Atoms Notes Checkpoint (CP Chemistry)

Front

What atom matches the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁴?

Back

Sulfur

Front

What principle states that electrons fill the lowest energy orbitals/levels first before occupying higher energy levels?

Back

Aufbau Principle

Front

What element is depicted in the orbital diagram for bromine?

Back

Bromine

Front

Which element matches the noble gas configuration [Kr] 5s² 4d²?

Back

Zirconium

Front

What rule states that electrons will spread out among orbitals before they pair up?

Back

Hund's Rule

Front

What is the maximum number of electrons that can occupy a single orbital?

Back

2 electrons

Front

What is the shape of the s orbital?

Back

Spherical

Front

What is the shape of the p orbital?

Back

Dumbbell-shaped

Front

What is the electron configuration for the element with atomic number 12?

Back

1s² 2s² 2p⁶ 3s²

Front

What is the significance of the noble gas configuration in electron configurations?

Back

It indicates a stable electron arrangement.