the elements A B and C have their atomic numbers 57 and 19 respectively then which of the following has more atomic size
Answers
Answered by
2
Explanation:
19 because element 5 has 2 shells it is v near to the nucleus and 7 have also 2 shells so it is also near but element 19 have 4. shells so the atomic size of 19 is larger
I am not sure!
Similar questions