Quantum numbers, orbital notation and electron configuration

What is the electron configuration for F?

• 1s2 2s2 3p5
• 1s2 2s2 3d5
• 1s2 2s2 2p5
• 1s2 2p5

How many quantum numbers are needed to describe the energy state of an electron in an atom?

• 1

• 2

• 3

• 4

What is the name of the element whose electron configuration is 1s²2s²2p³?

• magnesium

• nitrogen

• carbon

• phosphorous

Which element is represented by this orbital notation?

• neon

• sodium

• magnesium

• aluminum

An electron occupies the lowest energy orbital that can receive it.

• Hund’s rule
• Pauli exclusion principle
• Bohr model of the atom
• Aufbau principle

All orbitals of equal energy are occupied by one electron before any single orbital is occupied (paired) by a second electron.

• Aufbau principle

• Pauli exclusion principle

• Hund’s rule

• Core Notation

No two electrons in the same atom can have the same four quantum numbers.

• Aufbau principle
• Pauli exclusion principle
• Hund’s rule
• Noble gas notation

Which guideline, Hund’s rule or the Pauli exclusion principle, is violated in the following orbital diagrams?

• Aufbau's
• Hund's
• Pauli exclusive

Which is the electron configuration for beryllium?

• 
• 
• 
• 

What is the correct representation for an orbital which has an "n" value of 4 and an "l " value of 2?

• 4s

• 4p

• 4d

• 4f