Atomic Structure Flashcards
1
Q
What is an Isotope
A
Atoms of the same element having the same number of protons but different number of neutrons
2
Q
What is the Aufbau principle
A
In the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy levels
3
Q
What is Hund’s rule
A
Every orbital in a sublevel is occupied with one electron before it is filled by another
4
Q
What is Pauli’s exclusion principle
A
An orbital can contain a maximum of 2 electrons