Chemistry, asked by su8nnaiaakaibab, 1 year ago

an element X has a mass number of 35.the number of neutrons present in its nucles is 18.whaat will be its (1)atomic no.(2)the no protons it contains(3)the nuber of shells it has(4)the no of electrons in its last shell(5)its valency

Answers

Answered by akib2
2
atomic no.- 17
the no.protons it contains- 17
the number of shells it has-3
the no. of electrons in its last shell-7
It's valency- [2,8,7]+1
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