todo1252 todo1252

03-11-2021
Chemistry

contestada

What does the number 84 in the name krypton-84 represent?

a) the atomic number
b) the mass number
c) the sum of the protons and electrons
d) twice the number of protons

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frehiwot00 frehiwot00

03-11-2021

Answer:

b

Explanation:

it express the mass no of the element

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