31 Which notations represent different isotopes of the element sodium?(1) 32S and 34S (3) Na+ and Nao
(2) S2- and S6+ (4) 22Na and 23Na

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31-05-2015
Chemistry

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31 Which notations represent different isotopes of the element sodium?(1) 32S and 34S (3) Na+ and Nao
(2) S2- and S6+ (4) 22Na and 23Na

Sagot :

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