Contraction

Difference Between Its and It's
It's is a contraction of “it is” or “it has.” Its is a possessive determiner we use to say that something belongs to or refers to something. ... But t...
Difference Between Lanthanide Contraction and Actinide Contraction
Lanthanide contraction refers to the gradual decrease in the size of the lanthanoids and their trivalent ions, (Z=58 to 71) whereas actinoid contracti...