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periodic table
vocabulary for matter and elements
| Term | Definition |
|---|---|
| matter | Anything that has mass and takes up space |
| mass | the material that makes up matter |
| volume | how much room matter takes up |
| density | the amount of mass in a specific place |
| atom | what makes a molecule |
| electrons | ever atom has them |
| protrons | part of an atom with a positive charge in side of the nucleus |
| neutrons | part of an atom with no charge in side the nucleus |
| element | the simplest substance that cannot be broken |
| periodic table | a large grid that identifies elements |
| periods/rows | tells how many energy levels a element |