1) The smallest unit of matter a) atom b) molecules c) compound 2) postively charged particles a) proton b) electron c) neutron 3) Negatively charged particle a) proton b) electron c) neutron 4) Sub-atomic particle that has no charge a) proton b) electron c) neutron 5) location of proton and neutron a) electron b) nucleus c) electron cloud

Sub atomic particles

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