Question

Whch of this element belong to the period 3 write their electronic configuration

Answer 1

Answer:

Silicon and Phosporous belongs to the 3rd period. lithium -2,1. silicon -2,8,4. helium -2 Phosporous-2,8,5.

Number of circles in the electronic configuration as element represented in the periodic table with period number are mainly gained more number of aspects.

Number of electrons in the outermost shell is represented as the periodic table of an element and group number that element is situated in the table.