History of the atom Flashcards
1
Q
Paramagnetism
A
based on unpaired electrons
2
Q
VBT (Valence bond theory)
A
bonding occurs from 1/2 filled orbitals overlapping
3
Q
VSEPR Theory
A
bonding and lone pairs will spread themselves as far as possible
4
Q
London Forces
A
-very weak
-in all molecules
-Attraction from protons one atom o electron of another
5
Q
Hydrogen Bonding
A
-Strongest of intermolecular force
-N,O,F
6
Q
Ionic Crystals
A
-metal ions + non-metal ions
-hard
-brittle
-dissolves in H2O electrolytes
7
Q
Metallic Crystals
A
-low ionization E
-do not have similar properties
-malleability
8
Q
Molecular Crystals
A
-intermolecular forces within the crystals determine structure and properties
-low melting point
-no-conductivity
9
Q
Pauli’s Exclusion Principle
A
No 2 electrons have the same 4 quantum #
