Understanding Orbital Notation Concepts

What is the electron configuration of a neutral oxygen atom?

Tags

NGSS.HS-PS1-1

How many valence electrons does a chlorine atom have?

• 5

• 6

• 7

• 8

Tags

NGSS.HS-PS1-1

• Fluorine

• Chlorine

• Bromine

• Iodine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• Electrons fill each orbital singly before any orbital gets a second electron.

• Electrons pair up in the first orbital before moving to the next.

• Electrons fill the lowest energy orbital first.

• Electrons fill the highest energy orbital first.

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

• 1

• 2

• 3

• 4

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

• Hund's rule

• Aufbau principle

• Pauli exclusion principle

• Heisenberg uncertainty principle

What is the shape of an s orbital?

• Dumbbell

• Spherical

• Double dumbbell

• Cloverleaf

What is the electron configuration of a neutral sodium atom?

Tags

NGSS.HS-PS1-1

How many energy levels are occupied in a neutral argon atom?

• 2

• 3

• 4

• 5

• Carbon

• Nitrogen

• Oxygen

• Fluorine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2