Physics, asked by Mandy6370, 1 year ago

Elements a b c occur as dobereiner triads . If the atomic mass of a is 7 and that of c is 39

Answers

Answered by longchartoshienla
4

Answer:

the atomic mass of b is 23

explanation :

according to dobereiner,

atomic mass of middle element is nearly equal to the average atomic weight of first and third element i.e

at mass of b = 7 +39/2 = 23

bonus : the elements are Li , Na , K

Answered by vssihmar85
0

Answer:

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