matter vocabulary

Question Answer
anything that has mass and takes up space matter
a material that cannot be broken down into anything simpler element
is the smallest unit of an element that retains the properties of that element atom
the center of an atom nucleus
are particles with one unit of positive electric charge each protons
are particles with no electric charge nuetrons
are smaller particles with one unit of electric of negative electric charge each electrons
are particles with more than one atom joined togther molecules

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