Characteristic #1

Kingdom

Characteristic #2

Phylum

Characteristic #3

Order

Characteristic #4

family

Characteristic #5

class

Characteristic #6

Species

Characteristic #7

Genus

Valence

# of unpaired valence electrons in the valence shell

Valence electron

Outer electron

Valence shell

Outer shell with electrons

covalent bonds

They share electrons

Electronegativity

Attraction from the atom to an electron

Matter

anything that takes up space and has mass

Elements

a substance that can be broken down to another substance by chemical reactions

compounds

two or more elements

atoms

smallest unit of matter

subatomic particles

tiny bits of matter composed of even small parts

mass #`

protons and neutrons in the nucleus

atomic #

# of protons

isotope

same # of protons, different # of neutrons

energy

capacity to cause change

potential energy

energy that matter possesses because of its location and structure *think of the rollercoaster*

kinetic energy

moving energy

thermal energy

ENERGY caused by heat