what will be the electronic configuration of the element whose atomic number is 35?
The element with atomic number 35 is bromine. Electronic configuration of bromine (Br) will be written as follow:
1s2, 2s2, 2p6, 3s2, 3p6,4S2, 3d10, 4p5
Find the atomic number of an element whose atom has the electronic configuration 2, 8, 4.
How can the valency of an element be determined if its electronic configuration is known? What will be the valency of an element of atomic number 9 (nine)?