Chemistry, asked by kshivacharanreddy900, 15 days ago

S, Se, Te belong to Dobereiner's triad. Atomic weight of 'S' is 32, atomic weight of 'Te' is 125, then what is the atomic weight of 'Se'?

Answers

Answered by ompop

2

Answer:

157/2= 78.5

Explanation:

atomic mass of se = 78.5 u

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