CBSE BOARD X, asked by vipinchaubey, 8 months ago

Giving reasons, predict which element amongst the following does not belong to the same period?16A8, 19B9, 20C10, 23D11.

Answers

Answered by mayankshende812
1

Answer:

devising his table, Mendeleev did not conform completely to the order of atomic mass. He swapped some elements around. ... He corrected the known atomic masses of some elements and he used the patterns in his table to predict the properties of the elements he thought must exist but had yet to be discovered.

Answered by tejbir652
0
Mendeleev is the answer ji ok please make me brainlist
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