1
Q
Scientific Law
A
Summarizes what happens
2
Q
Theory
A
explains why it happens
3
Q
100 cm=___m
A
1m
4
Q
1kg=___g
A
1000
5
Q
1m=____mm
A
1000
6
Q
JJ Thomas used Cathode rays to discover
A
Electrons
7
Q
Rutherfords gold foil experiment led to the discovery of
A
nucleus, atom is mostly empty space
8
Q
Aufbau
A
Electrons fill lower energy level orbitals before filling higher ones
9
Q
Pauli Exclusion
A
Two electrons in the same orbital must spin in opposite directions
10
Q
Hund
A
when electrons occupy oribitals of equal energy, one electron enters each orbital singly before pairing up
11th grade Chemistry
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