The term "
covalence" in regard to bonding was first used in 1919 by Irving Langmuir in a Journal of the American Chemical Society article
Kaynak: Covalent bondCovalence : The concept of
covalence was developed in the middle of the nineteenth century in an attempt to rationalize the formulae of
Kaynak: Valence (chemistry) June 1 - The term
covalence in relation to chemical bonding model s is first used by Irving Langmuir History of science : Leonard Eugene
Kaynak: 1919 in scienceIts
covalence character is higher, which is responsible for its solubility in organic solvent . Diagonal relationship: Diagonal relationship
Kaynak: S-block