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Periodic table

vocab for matter and elements

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
Created by: Ghostsniper