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a different form of an element that has a different number a neutrons but the same number of protons
an isotope where the nucleus decays over time giving off raditation. they are useful in medcine and research
a bond where an atom transfers electrons to other atoms in order to have a complete outer energy level
breaking of ols and formation of new chemical bonds, the result in new substances
a bond created by the weak attraction of a slightly positive hydrogen atom to a slightly negative portion of another atom
a property of water that allows water to heat up and cool down slower because the hydrogen bonds have to break or form
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