Science, asked by rohitdhakad9669, 6 months ago

3. Which scientist discovered the plum pudding
5. If number of neutrons in an atom is 8 and number of protons is 9 then what is its mass
OR
What is the valency of Boron.

Answers

Answered by ninasharmashm83

13

Answer:

3) - Thomson's

5) - 5

this is the answer. I think my answer is correct. if you also search these questions in Google. ok

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