!!!!!!!!MEDALS!!!!!!!! A pure substance that is made of only one kind of atom is called _________. A. an element B. an electron C. a particle D. a proton
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which do you think it is?Any ideas?
Atoms can have different numbers of protons, electrons, and neutrons. These different numbers of subatomic particles define the different elements. An element is a pure substance made up of only one kind of atom. Examples of different elements include Hydrogen, Carbon, Sulfur, Oxygen, Nitrogen and Phosphorus.
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