How are #"valence"# and #"valency"# defined?
1 Answer
Mar 16, 2017
Traditionally, valence was the number of hydrogens (hydrides or protons) that combined with the element. It is a bit of an old-fashioned term.
Explanation:
And thus carbon has a valency of
Now valency is a fluid concept, and it is usually better to use oxidation states and number, which is another concept you have to absorb. See here for a start. With metal ions, i.e.
If there is an issue, and you want clarification, then ask, and someone will help you.