a hydrogen bond holds two atoms of hydrogen together.
Yes, hydrogen bonds are a type of intermolecular force. They are attractions between a hydrogen atom bonded to an electronegative atom (such as oxygen or nitrogen) and a nearby electronegative atom. Hydrogen bonds are weaker than covalent or ionic bonds but are important in determining the structure and properties of molecules.
The weakest bond type is a van der Waals bond. It is a non-covalent interaction that results from temporary shifts in electron density within molecules. Van der Waals bonds are weaker than ionic, covalent, and metallic bonds.
Hydrogen bonds
Protein molecules have covalent bonds in them, and there are hydrogen bonds that act as intermolecular bonds.
It's a bond that is relatively easily broken, compared to other bonds.
Ice is a type of solid crystal with a hydrogen bond structure. The bonds between water molecules in ice are hydrogen bonds which are weaker than covalent or ionic bonds. The crystal structure of ice is hexagonal.
Hydrogen bonds
Hydrogen bonds hold separate water molecules together. This type of bond forms between the partially positive hydrogen atom of one water molecule and the partially negative oxygen atom of another water molecule.
H2O (water) has hydrogen bonds between its molecules. NH3 (ammonia) has hydrogen bonds between its molecules as well, in addition to covalent bonds within the molecule itself.
CH3OH, or methanol, has covalent bonds. Specifically, it contains polar covalent bonds between carbon and oxygen, carbon and hydrogen, and oxygen and hydrogen atoms. These bonds are formed by the sharing of electrons between atoms.
Hydrogen bonds and covalent bonds are two completely different things. Covalent bonds share an electron, while hydrogen bonds (just for water molecules) act like magnets- the Oxygen atom has a slight negative charge and it "attracts" the Hydrogen atoms, which have a slight positive charge.
Hydrogen bonds hold the fibrillar collagens of gelatin in solution.