Chemistry, asked by topperboy38, 4 months ago

the atom has 9 electron 9 proton and 10 neutron a.what is the atomic no. of element b.what is the mass no. of element c. name the elements and given its electronic configuration c. predict the valency of element

Answers

Answered by dheerajbhole17

0

Answer:

a.9

b.19

c.fluorine

d.1s2 2s2 2p5

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