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anything that has mass and takes up space Matter
the amount of matter in something Mass
the amount of space something occupies Volume
particles are close together but not neat Liquid
particles are neat and organized Solid
particles are zooming around without stop Gases
a property that can only be observed by changing the identity of the substance chemical property
a property that can be observed without changing the identity of the substance Physical property
smallest unit of matter ATOM
number of protons in an atom of a given element ATOMIC NUMBER
number of protons plus the number of neutrons in an atom ATOMIC MASS
center of the atom that has the protons and neutrons (heaviest part of the atom) NUCLEUS
positive subatomic particle in the nucleus PROTON
neutral subatomic particle in the nucleus NEUTRON
negative subatomic particle that is around the outside of the nucleus ELECTRON
ability to be flattened into a sheet; bendable malleability
ability to be stretched into a wire ductility
ability to react with another substance reactivity
a row of the elements period
a column of the elements groups
melting point
boiling point
shiny, good conductors, malleable, ductility metal
like both metal and non-metal, shiny, malleable, semi-conductors metelloid
poor conductors, mostly gases, dull non-metal
Created by: breakabreaker