Answer:
Hydrogen bonding behavior donor.
Hydrogen bonding behavior as both donor and acceptor.
Explanation:
In a chemical bond, hydrogen is also known as proton because it is made up of only one electron and one proton. Hydrogen bonding refers to the bonding of hydrogen atom with more electronegative atoms during covalent bond. In this bonding, only sharing of electron occurs because hydrogen atom has only one electron. During hydrogen bonding, one atom act as a donor such as hydrogen atom while other act as acceptor such as oxygen in a molecule of water.