Octet Rule

Coefficients

7

Isotopes

Atomic Number

Ionic

Base

Nucleus

Ions

Mass Number

Surface TensionCreeps up thin tubes (capillary action)

Expands when freezes

Nucleus; neutral

pH

Acid

Covalent

Subscripts

Law of Conservation of Matter

Compound

0-6

Nucleus; Positive

Polar

Atom

element

An atom makes up an element

Elements can’t be broken down

Electron cloud; negative

8-14

Nuclear Symbol Protons Neutrons Electrons

N-13

99 1111

K-40

77 7766

99

1919 2121 1919

F-20F-20

16P17 N

2e-

8e-

6e-