Write the electronic configuration of an element whose mass number is 31 and atomic number is 15 what is - Science - Structure of the Atom

Question

Write the electronic configuration of an element whose mass number
is 31 and atomic number is 15 what is its valency

Ravjot Kaur · Accepted Answer

The element with atomic number 15 has the configuration 1s2 2s2 2p6
3s2 3p3 ( 2,8,5) The element is phosphorous Itsvalency is 5 Regards

Write the electronic configuration of an element whose mass number is 31 and atomic number is 15. what is its valency