U1: Topic 3 Shapes of molecules & Polyatomic ions Flashcards
1
Q
What happens with a traditional covalent bond?
A
Each atom donates one electron.
2
Q
What is a dative covalent bond?
A
Both electrons come from same atom.
3
Q
The electron pair repulsion decreases in strength in what order?
A
non-bonding/non-bonding> non-bonding/bonding>bonding/bonnding
4
Q
The number of bonded pairs in a molecule is the same as what?
A
Number of bonded atoms
5
Q
Electron pairs are arranged to do what?
A
Minimise repulsion and maximise separation
6
Q
Electron arrangement is determined by what?
A
Total number of electron pairs.
7
Q
A
