Atomic Structure

Question 1

What is an Isotope

Answer 1

Atoms of the same element having the same number of protons but different number of neutrons

Question 2

What is the Aufbau principle

Answer 2

In the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy levels

Question 3

What is Hund’s rule

Answer 3

Every orbital in a sublevel is occupied with one electron before it is filled by another

Question 4

What is Pauli’s exclusion principle

Answer 4

An orbital can contain a maximum of 2 electrons