Chemistry, asked by ADAMSHARIEFF, 1 year ago

please solve the follwing questions it's really important sorry for camera quality

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ADAMSHARIEFF: somebody please answer

Answers

Answered by GeN21

1: Mass of U=235 and that of Kr is 85
2: Atomic number of Nb is 41 and ? is 1
3:Mass of La is 168 and at. no. of Br is 35.

Hope this is right
(Note: the answers may differ by 1 or 2)

ADAMSHARIEFF: thank u very much sir

GeN21: Nah its fine

GeN21: please dont call me sir

ADAMSHARIEFF: k then what do i call u mr

GeN21: just call me friend

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