Chemistry, 31.01.2020 06:53, noahwaitsowl357

1) el hierro tiene de número atómico 26 y de número másico 55. las partículas del átomo neutro son:
a. número de protones
b. número de electrones
c. número de neutrones

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1) el hierro tiene de número atómico 26 y de número másico 55. las partículas del átomo neutro son:...