Question

an element has atomic number 13 and a atomic mass 27 how are these electrons distributed in the K;L and menergy shells

Answer 1

2,8,3respectively k l and m shells

Answer 2

given :
atomic number - 13
atomic mass - 27
answer :
k shell - 2 electrons
l shell - 8 electrons
m shell - 3 electrons

hope it's useful and helpful..........