II. N, P and As have similar properties. Check whether the average of atomic masses of N(14) and
As(74.9) is equal to the atomic mass of P(31). Could we call it as a Dobereiner triad? Why? Give reason.
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3
Answer:
sorry don't know the answer
Answered by
0
Answer:
Sorry
Explanation:
It's kinda hard ques. . .
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