Question

P Q and R are three elements in do dreidel traid if the atomic weight of P is 35.5 and R is 127 calculate the atomic weight of Q

Answer 1

according to law of triads Atomic weight of Q is the average of p and R
i.e 35. 5+127÷2 = 99
Atomic mass of Q =99

Answer 2

Answer:

atomic weight of P = 35.5

atomic weight of R = 127

atomic weight of Q = 35.5 + 127 /2

= 162.5 / 2 = 81.25

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