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8 Cards in this Set
- Front
- Back
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element |
a material that cannot be broken down into any thing smaller by chemical reactions |
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metal |
elements that share common properties such as shiny luster, conductivity, and flexability |
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atom |
the smallest unit of an element that retains the properties of that element |
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nucleus |
the center of an atom. it is made of protons an neutrons |
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proton |
a particle with one unit of positive electric charge |
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neutron |
a particle with no electric charge, it is neutral |
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electron |
smaller particles with one unit of negative electric charge each |
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molecule |
particles with more than one atom joined together |
