An element X has mass number 35 and the number of neutrons is 18 identify the group number and period of x
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Answered by
1
group =17
period=3
element is chlorine
period=3
element is chlorine
Answered by
1
if mass no is 3t then
proton+neutron=mass number
proton=atomic number=17
electronic confurigation=2,8,7
So it is period 3rd and group 7
b
proton+neutron=mass number
proton=atomic number=17
electronic confurigation=2,8,7
So it is period 3rd and group 7
b
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