Identify the correct conditions for forming a hydrogen bond. Check all that apply. a. A hydrogen atom acquires a partial positive charge when it is covalently bonded to an F atom. b. Hydrogen bonding occurs when a hydrogen atom is covalently bonded to an N, O, or F atom. c. A hydrogen bond is possible with only certain hydrogen-containing compounds. d. The CH4 molecule exhibits hydrogen bonding. e. A hydrogen bond is equivalent to a covalent bond.