the mass number of an element is 18 it contents 7 electrons what is the number of proton and neutron in it what is the atomic number of the element 3 marks
Answers
Answered by
0
number of protons =number of electrons =7
number of neutrons =18-7=11
number of neutrons =18-7=11
Answered by
0
the no of neutrons is 4 and proton is 4
the atomic no of this element is 22
the atomic no of this element is 22
Similar questions