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Sci Vocab p E34

Atoms & Elements Vocab

TermDefinition
nucleus the center of an atom
proton a subatomic particle with a positive charge
neutron a subatomic particle with no charge
electron a subatomic particle with a negative charge
element a substance made up of only one kind of atom
atom the smallest unit of an element that has all the properties of that element
molecule a grouping of two or more atoms joined together
periodic table the table of elements in order of increasing atomic number, grouped by similar properties
compound a substance made of the atoms of two or more different elements
Created by: joshjh
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