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matter_cpm

QuestionAnswer
everything around you. Matter is anything made of atoms and molecules. Matter
are usually hard, because their molecules have been packed together. Mass
The amount of space that a substance or object occupies, or that is enclosed within a container, esp. when great Volume
are things you can hold that maintain their shape Liquid
Gases are random groups of atoms. Gas
Solids are usually hard, because their molecules have been packed together. Solid
Physical changes are about energy and states of matter. physical property
Chemical changes happen on a molecular level when you have two or more molecules that interact and create a new molecule or two. chemical property
-smallest unit of matter Atom
number of protons in an atom of a given elemen atomic number
number of protons plus the number of neutrons in an atom atomic mass
number of protons plus the number of neutrons in an 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
horizontal rows on periodic table period
vertical columns on periodic table groups
temperature where solid turns to liquid melting point
temperature where liquid turns to gas boiling point
shiny, good conductors, malleable, ductility metal
like both metal and non-metal, shiny, malleable, semi-conductors metalloid
poor conductors, mostly gases, dull non-metal
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