Orbital Notation and Pauli, Hund's and Aufbau

How many electrons are in 1s² 2s² 2p⁴?

• 5

• 6

• 8

• 13

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• Hund’s Rule

• Aufbau Principle
  

• Pauli Exclusion Principle

How many electrons can the s sublevel hold?

• 14

• 10

• 2

• 6

Which element is depicted from this orbital diagram

• Fluorine

• Neon

• Chlorine

• Argon

Tags

NGSS.HS-PS1-1

Which of the following sub-levels is correctly designated?

• 1p⁵

• 3f⁹

• 2p⁶

• 3d¹¹

Tags

NGSS.HS-PS1-1

If the 1^st energy level is already filled up with 2 electrons, what level should be filled up next?

• Second

• Third

• Fourth

• Fifth

Tags

NGSS.HS-PS1-1

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

• 1

• 2

• 4

• 8

Which principle states that no two electrons in an atom can have the same set of four quantum numbers?

• Pauli Exclusion Principle

• Hund's Rule

• Aufbau Principle

• Heisenberg Uncertainty Principle

In orbital notation, which of the following represents a correct electron configuration for oxygen?

Tags

NGSS.HS-PS1-1

According to Hund's Rule, how are electrons distributed in orbitals of the same energy?

• Electrons pair up in each orbital before moving to the next

• Electrons fill the lowest energy orbitals first

• Electrons occupy orbitals singly before pairing up

• Electrons fill orbitals in a random order