georgethegreat04 georgethegreat04

03-02-2021
Chemistry

contestada

What is the mass number of 19/9F?
Your answer:
A. 9
B. 10
C. 19
D. 28

Respuesta :

froge87832 froge87832

03-02-2021

the mass number of fluorine (F) is 19

C. 19

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