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Rubidium (Rb) has two isotopes. Using the data in the table below,
calculate the relative atomic mass of Rb. Give your answer to 3 significant
figures.

Rubidium Rb has two isotopes Using the data in the table below calculate the relative atomic mass of Rb Give your answer to 3 significant figures class=

Respuesta :

rahmant

Answer:

85.6

Explanation:

(72 x 85) + (28 x 87)

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        100

= 85.56

= 85.6 (3 s.f.)