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9 Cards in this Set

  • Front
  • Back
The center of an atom
nucleus
A subatomic particle with a posotive charge.
proton
A subatomic particle with no charge.
neutron
A subatomic particle with a negative charge.
electron
A substance made up of only one kind of atom.
element
The smallest unit of an element that has all the properties of that element.
atom
A grouping of two or more atoms joined together.
molecule
The table of elements in order of increasing atomic number; grouped by similar properties.
periodic table
A substance made of the atoms of two or more different elements.
compound