part 1 - module 1 Flashcards
1
Q
compound
A
2+ elements
2
Q
mixture
A
2+ chemical substances NOT chemically bonded
3
Q
molecules
A
2+ atoms chemically bonded
4
Q
elements
A
pure substances
5
Q
Bohr Model
A
electrons can only orbit the nucleus in specific energy levels, or “shells”.
6
Q
Schrödinger’s model
A
assumes electrons are waves, and are mostly likely found in orbitals; spdf.
7
Q
Uncertainty principle
A
electrons can act like a wave OR a particle, but if we try to observe both aspects we fail
