Question

the number of protons in an atom of an element A is 11 .then the number of electron in its ion A+ is .identify whether A is metal or non metal. name the element​

Answer 1

Answer:

As we know, atomic no. of an atom is total no. of proton (p) present in nucleus of atom and every neutral atom has same no. of proton and electron. Mass no. of an atom is total no of neutron and proton (n+p) present in nucleus of atom. So, X has atomic no. 11 and it has 11 electrons.