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TermDefinition
Metals Left of the stair step line, lose electrons in chemical reactions, good conductors of heat and electricity, shiny, malleable and ductile.
Nonmetals Right of the stair step line, gain electrons in chemical reactions
Metalloids Border the stair step line, have both properties of metals and nonmetals
Periodic Law States that the repeating chemical and physical properties of elements change
Atomic Symbol Identifies the element, first letter is capitalized, all other letters lowercase
Proton Positive, located in the nucleus, has a mass of 1 AMU, discovered by Rutherford
Neutron No charge, located in the nucleus, has a mass of 1 AMU, discovered by Chadwick
Electron Negative, located in the electron cloud, has a mass of 0 AMU, discovered by Thomson
Created by: JGK