Question

what is valencey give one example​

Answer 1

Answer:

example, oxygen has six valence electrons, but its valency is 2. Some elements may have more than one combining power (or valency), while others have just one. For example, H →1; Mg→2; Al→3; C→4; N→3, and 5; P→3 and 5; O→2; S→ 2, 4 and 6; Cl→ 1; and Ne→0.

Explanation:

Answer 2

Answer:

measurement of the power of an atom to combine with others, by the number of hydrogen atoms it can combine with or take the place of

एक अणु की अन्‍य अणुओं से संयोजित होने की क्षमता; संयोजन क्षमता, संयोजकता example that oxygen has 2 valency