Science 10-1 Chem Flashcards
1
Q
John Dalton
A
Billiard Ball Model
2
Q
J.J. Thompson
A
Plum Pudding Model
One large positive charge and many smaller negative charges inside
3
Q
Ernest Rutherford
A
Planetary / Nuclear model
Negative electrons orbit the negative nucleus like planets
Gold foil experiment
4
Q
Neils Bohr
A
Electrons orbit the nucleus in specific energy levels
2, 8, 8, 2 - orbitals
5
Q
Cation
A
Positively charged atom
Loses an electron
6
Q
Anion
A
Negatively charged atom
Gains an electron
7
Q
Atom
A
Neutrally charge
Equal amount of Electrons and Protons
8
Q
Ion
A
Positive or negative charge
Positive = lose electron
Negative = gain electron