The term ‘Valency’ refers to
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → The combining capacity of an element
Valency is the combining capacity of an element: the number of electrons an atom of the element loses, gains or shares to complete its outermost shell. For example, hydrogen has valency 1, oxygen 2 and carbon 4, which is why one oxygen atom combines with two hydrogen atoms in water (H2O).