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ps4

TermDefinition
metal left of stair step line
metalloid border stair step line
nonmetal right of the stair step line
periodic law repeating chemical and physical properties of element change.
atomic symbol identifies an element one two or three numbers , the first letter is always capital.
proton a positive subatomic particle that is located in the nucleus having a mass of 1 amu.
neutron a subatomic particle with no charge that is located in the nucleus with a mass of 1 amu.
electron a negitive subatomic particle located in the electron cloud having a mass of 0 amu.
Created by: Jake Tomlin
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