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8 Cards in this Set

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ELEMENTS
is the simplest form of matter to have unique chemical propterties
ATOMS
THE SMALLEST POSSIBLE PARTLE OF MATTER THAT IS COMPOSED OF PROTONS NUETRON AND ELECTRONS
PROTONS
SINGLE POSITIVE CHARGE
NEUTRONS
NO CHARGE
ELECTRONS
NEGATIVE CHARGE, THEY DETERMINE THE CHEMICAL PROPERTIES OF AN ATOM
ISOTOPES
forms of an element whose nuclei have the same atomic number OR protons in the nucleus--but different atomic masses because they contain different numbers of neutrons.
RADIOACTIVITY
WHEN AND ISOTOPE IS UNSTABLE AND DECAYS TO MORE STABLE ISOTOPES BY GIVING IFF RADTION
RADIOSCOPE
UNSTABLE ISOTOPE