Orbitals

How many electrons can the d sublevel hold?

• 8

• 10

• 2

• 4

According to Pauli Exclusion Principle, how many electrons may occupy a single orbital?

• 1

• 2

• 4

• 8

What rule states that single electrons must occupy each equal-energy orbital before additional electrons can occupy the same orbitals.

• Hund's rule

• Pauli Exclusion Principle

• Aufbau Principle

• None of the choices.

Which of the following statement is wrong?

• Two electrons must occupy each equal energy orbital before additional electrons can occupy the same orbitals.

• A maximum of two electrons may occupy the same orbitals.

• In filling up orbitals, electron occupies the lowest energy orbital first before the higher energy orbitals.

• None of the choices.

Which of the following sub-levels is correctly designated?

• 1p⁵

• 3f⁹

• 2p⁶

• 3d¹¹

Tags

NGSS.HS-PS1-1

Each sub level has its maximum number of orbitals. How many orbitals are in the third principal energy level?

• 3

• 6

• 9

• 12

How many orbitals are present in the 4p sub level?

• 7

• 5

• 4

• 3

What is the electron configuration of Argon?

• 1s² 2s² 2p⁶

• 1s² 2s² 2p⁶ 3s¹

• 1s² 2s² 2p⁶ 3s²

• 1s² 2s² 2p⁶ 3s² 3p⁶

Tags

NGSS.HS-PS1-1

Which atom has an electron configuration of 1s² 2s² 2p⁶?

• He

• Ne

• Ar

• Xe

Tags

NGSS.HS-PS1-1

What is the electron configuration of Gallium, ₃₁Ga?

• 1s² 2s² 2p⁶ 3s² 3p⁵ 4s² 3d¹⁰ 4p¹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p¹

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹ 4p²

• 1s² 2s² 2p⁶ 3s² 3p⁵ 4s² 3d¹⁰ 4p²

Tags

NGSS.HS-PS1-1