Chemistry
How does the electronic configuration in atoms change
(i) in a period from left to right?
(ii) in a group from top to bottom?
Related Questions
What are horizontal rows and vertical columns in a periodic table known as?
Periodicity is observed due to similar ………. (number of valence electrons/atomic number/electronic configuration)
Name two elements in each case :
(i) Alkali metals
(ii) Alkaline earth metals
(iii) Halogens
(iv) Inert Gas
Elements of group 1 and elements of group 17 both have valency 1. Explain.