| Definition | Term |
|---|
| center of each atom | |
| measures acidity | |
| theory stating all elements are made up of atoms | |
| number of protons in nucleus of its atom | |
| combo of 2+ atoms of same/ different elements held by chemical bonds | |
| an atom w/ one or more + pr - electrical charges | |
| smallest unit of matter that can be broken down | |
| theories not yet considered reliable | |
| forms of element having same atomic # but different mass # | |
| subatomic particles w/ negative charge | |
| | Definition | Term |
|---|
| subatomic particles w/ no charge | |
| matter w/ very little resource potential | |
| matter w/ very high resource potential | |
| subatomic particles w/ positive charge | |
| anything that has mass | |
| combo of 2+ elements held together in fixed proportions | |
| matter that cannot be broken down into simpler substances | |
| how the world works | |
| total # of neutrons and protons in nucleus | |
|
The Nine Planets 
Digits of Pi 
Multiplication Table
