| Question |
 |
|
| Answer |
|
|
| matter |
anything that has mass and takes up space |
| atom |
tiny particles that matter is made up of |
| element |
substances that are made of only one type of atom |
| proton |
positive electric charge |
| neutron |
no electric charge |
| electron |
negative electric charge |
| atomic number |
the number of protons and electrons in an atom |
| mass number |
number of protons plus the number of neutrons |
| isotope |
same elelment but different numbers of neutrons |
| compound |
contains atoms of more than one type of element that are chemically bonded together |
| ions |
electrically charged atoms |
| mixture |
two or more substances not chemically combined |
| heterogeneous mixture |
not mixed evenly and each component retains its properties |
| homogenous mixture |
evenly mixed throughout |
| solution |
another name for homogenous mixture |
| density |
number of the measure of mass of an object divided by its volume |
mr. charles11
