Question

a phrase that applies to covalent bonding and not other kinds of bonds is ... electron - sharing. paired electrons. charge attraction. great strength. all of the above.

Explanation:

Covalent bonding involves sharing of electrons between atoms. Paired electrons can be in other types of bonds too. Charge - attraction is characteristic of ionic bonds. Great strength is not unique to covalent bonds. Electron - sharing is unique to covalent bonding among the given options.

Answer:

A. electron - sharing