Term
|
Definition
| basic building blocks of all matter |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
number of protons equals the number of electrons
PROTONS = ELECTRONS |
|
|
Term
|
Definition
| pure substance made up of one type of atom and is found on the periodic table |
|
|
Term
|
Definition
| an element is written by using these |
|
|
Term
|
Definition
|
|
Term
| Elements on the periodic table are |
|
Definition
| organized by their atomic number |
|
|
Term
| Elements differ because of the |
|
Definition
| number of protons they have |
|
|
Term
|
Definition
| made up of two or more kinds of atoms |
|
|
Term
| compounds are written using |
|
Definition
|
|
Term
| Elements combine in a _________ _________ to form compounds |
|
Definition
|
|
Term
|
Definition
| the shape or phase of the material may change, but the material itself is the same before and after the change. The change CAN BE UNDONE |
|
|
Term
|
Definition
| you have two or more molecules interact and create a new molecule or two. New substances are formed and the change CAN NOT BE UNDONE |
|
|