Valencies pl. : of Valency

Example:
Is there any way which I can remember the Valencies by heart for chemistry?

Taxonomy
valencies, Webster's New World College Dictionary, yourdictionary, element, pronunciation, atom, oxygen, word list, capacity, valence electrons, dictionary, hydrogen atoms, online dictionary, thesaurus, websters, synonyms, usage examples, quotes.

Defination from the web:
valencies from Webster's New World College Dictionary. Meaning of valencies. Pronunciation of valencies. Definition of the word valencies. ... Also valency va′·lency. Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio. ...