Atomic structure Flashcards
1
Q
Define the atomic number
A
The number of protons in an atom of an element
2
Q
Define isotope
A
Atoms of the same element having the same number of protons, but different numbers of neutrons.
3
Q
State Hund’s rule
A
No pairing in p orbitals before there is not at least one electron in each of them
4
Q
State Pauli’s Exclusion Principle:
A
Maximum of two electrons per orbital provided that they spin in opposite directions.
