anaellopez14 anaellopez14

04-11-2020
Chemistry

contestada

the atomic number of an atom of Br with a mass number of 80 is
A) 115
B) 35
C) 45
D) 73
E) 80

Respuesta :

Elbetheltigist Elbetheltigist

06-11-2020

Answer:

B. 35 the atomic number is equal to the proton number

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