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vocab words

ps4

TermDefinition
Metals left of the stair step line; lose electrons in chemical reactions ; good conductors of heat and electricity shiny malleable and ductile
Metalloid boarder the stair step line have some properties of both metals and non metals
Nonmetals right of stair step line; gain electrons in chemical reactions
periodic law repeating chemical and physical properties of element changes
Atomic symbool Identifies element; the first letter is always capitalized
Proton positive; nucleus; mass of 1 amu; discovered by rutherford
Neutron subatomic particle; no charge located in the nucleus; mass 1 amu; discovered by Chadwick
Electron negative subatomic particle; located in electron cloud; mass of 0 amu; discovered by thomson
Created by: Mac>
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