Chemistry Grade 10 Midyear Definitions Flashcards
1
Q
Ion
A
A charged particle
2
Q
Metallic bonding
A
Bonding that occurs between atoms of the same metal
3
Q
Ionic bonding
A
Bonding between metal and non-metal ions
4
Q
Covelant bonding
A
Bonding between non metal atoms
5
Q
Valence electrons
A
The electrons in the highest occupied energy level of an atom
6
Q
Valency
A
The number of atoms an element must gain, lose or share in order to achieve the electron configuration of a noble gas
7
Q
Pauli’s exclusion principal
A
No more than two electrons can occupy the same orbital and they must have opposite spins
8
Q
Hund’s rule
A
Every orbital in a sub level is singly occupied before any orbital is doubly occupied