Question

find the period and block of iron atomic number 26 sodium atomic number 11 Silicon atomic number 14 nitrogen atomic number 7​

Answer 1

Iron atomic number 26

Period – ancient

Block – d-block

Sodium atomic number 11

Period – 1807

Block – s-block

Silicon atomic number 14

Period – 1824

Block – p-block

Nitrogen atomic number 7

Period – 1772

Block – p-block