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changes of mattergr7

change of matter

QuestionAnswer
crystal solid shape of some minerals made by the atomic pattern
matter anything that has mass and occupies space
liquid matter with a definite volume but no definite shape
proton positively charged particle in the nucleus
gas matter with no definite volume or shape
neutron neutrally charged particle in the nucleus
atom smallest particle of an element
atomic mass average mass of one atom of an element
mixture combination of 2 or more substances that can be separted
physical change that does not involve the formation of something new
chemical formula symbols and numbers that describe the number of atoms in one molecule of a compound
element substance that are the building blocks of matter
iron an electrically changed atom due to agin or loss of electrons
volume amount of space an object occupies
molecule smallest part of a compound
necleus center of an atom,made of protons and neutrons
atomic number number of protons in the nucleus of one atom of an element
electron negatively charged particle orbiting the nucleus
electron levels regions around an atom where electrons are orbiting
isotopes atoms of the same element with different numbers of neutrons
Created by: nimra