Term |
Definition |
matter |
everything that has mass and takes up space |
mass |
the material that matter is made up of |
volume |
the amount of space that a substance or object occupies |
density |
the amount of space inside a object |
atom |
the basic unit of a chemical unit |
electron |
negative charge |
proton |
positive charge |
neutron |
no charge |
periods |
rows that tell the energy lvls |
periodic table |
a grid with all the known elements |
groups |
tell how many valence electrons it has |
element |
a simple substance that cannot be broke down |
valence electrons |
electrons that move on the outer shell |
atomic number |
how many protons a elements has in its body |
atomic mass |
measurement of mass in de elements |
chemical property |
two objects become one |
physical property |
apperence |
iconic bond |
elements either lose gain or electrons |
covalent bond |
elements share electrons |
chemical change |
elements bond together to form a specific pattern |
compound |
two or more substances combined together original |
mixture |
not original |
noble gases |
all of the elements in group #18 |
halogens |
all of the elements in group #17 |
alkali metals |
all the elements in group #1 |
metalloiods |
elements between metals |