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Atomic theory

The Study Of The Atoms 7th grade

TermDefinition
Elements Pure substance made of only one type of atom
Atom Smallest particle of matter
Solid has the least amount of energy particles are arranged in pattern particles vibrate
liquid energy between solid and gas particles slide past one another
gas Has the most energy particles are random free and fast movement
Malleable Ability of a metal to be flattened
Ductile Ability of a metal to be drawn out into aa thin wire
Luster Ability of a metal to shine
Density The amount of mass in a particular volume
Brittle Breaks easily characteristics of nonmetal
Metalloid Group of elements that show characteristics of both metals and nonmetals
Condensation change in the state of matter When a substance goes from gas to a liquid
Sublimation change in the state of matter when a substance goes from a solid to a gas
Deposition change in the state of matter when a substance goes from a gas to a solid
Protons subatomics particles that is a positive and found inside a nucleus found by the atomic number
Electrons Subatomic particles that are found outside of the nucleus found by the atomic number
Neutron subatomic particles that is a neutral/no and found in the nucleus found by rounding the atomic mass and subtracting the atomic number
Created by: ER62473