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6th Science Chp. 2

Science Vocab.

TermDefinition
atom tiny building block of matter, made up of protons, and electrons
atomic number the number of protons in an atom
compound atoms of more than one type of element that are chemically bonded together
density measurement of the mass of an object divided by its volume
electron particle with a negative charge
element substance that is made of only one type of atom
heterogeneous mixture a mixture which is not mixed evenly and each component retains its own properties
homogeneous mixture a mixture which is evenly throughout
ion electrically-charged atom whose charge results from an atom losing or gaining electrons
isotope atoms of the same element that have different numbers of neutrons
mass the number of protons plus the number of neutrons in an atom
matter anything that has a mass and takes up space
mixture composed of two or more substances that are not chemically combined
molecule a group of atoms connected by covalent bonds
neutron particle without an electrical charge
proton particle that has a positive electric charge
solution a mixture which is evenly mixed throughout; also known as a homogeneous mixture
Created by: thomass
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