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15 questions
Matter is defined as anything that takes of space and has ______________.
liquid
solid
weight
mass
What is the smallest unit of matter in the world?
an Atom
a Molecule
a piece of dirt
an element
Circling the atom, these parts of an atom hold a negative charge.
Neutron
Electron
Proton
Compound
Proposed that electrons move around the nucleus in specific layers, or shells.
Bohr
Rutherford
Chadwick
Thomson
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