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Unformatted text preview: Same number of protons Different number of neutrons Some isotopes are radioactive Spontaneously break apart (decay) Used in research Elements may occur as solids, liquids, or gases at room temperature Larger atoms can accommodate more electrons than smaller ones can o More protons mean more electrons Electrons are distributed about that nucleus of an atom in electron shells...
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This note was uploaded on 04/10/2008 for the course BIOLOGY 101 taught by Professor Beitch during the Spring '07 term at Quinnipiac.
- Spring '07