Question

“The three elements were written in the order of increasing atomic mass the atomic mass of middle element was roughly the average of the atomic masses of other two elements.” This law was stated by A. Dobereiner B. Mendeleev C. Henry Moseley D. Newlands



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Answer 1

● Dobereiner stated this law.

■ HERE IS YOUR ANSWER

Answer 2

Answer:

option A. Dobereiner is ur answer

hey veeresh this is ur account or not because there are two account of urs in brainly

hlo..

plz answered my this question