contestada

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a) calculate the average atomic mass of the element she found on mars
b) predict the identity of this element and determine the number of protons that are in one atom
c) describe the relative size of this atom compared to an atom of Calcium. Justify your answer.

a calculate the average atomic mass of the element she found on mars b predict the identity of this element and determine the number of protons that are in one class=

Respuesta :

jeremyogooluwa15

Answer:

1. r.a.m = 86×10/100 + 87× 7/100 + 88× 83/100.

860/100 +_607/100 + 7304/100.

8.6+6.07+72.16.

=86.83

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