Question

Beanium a new element has been discovered
is known
to have
three naturally occurring stable
"isotopes. A sample of 77
of Beanium was tested
and the following results
were obtained:
Isotope, Number in sample and Mass of ;Black ,Brown and white with 55 mass 10.26g, 15 mass 8.64g, 7 mass 8.67g. Calculate atomic weight of Beanium.​

Answer 1

Answer:

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