sophie1891 sophie1891

08-02-2022
Chemistry

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Mendeleev realized not all elements had been discovered so he left gaps and predicted their ..........

a) mass number

b) properties

c) proton number

HELP FAST!11 DUE IN 5 MINS!!! I WILL MARK BRAINLIEST!

Respuesta :

08-02-2022

Answer:

predicted their properties

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