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Water molecules are held together by hydrogen bond which is formed between hydrogen of one molecule and oxygen of other molecule. H2O-----H-O-H
attraction between the nuclei
Covalent bonding holds CuCl2 together. Covalent bonding is a shared electron pairing of electrons from a non-metal and a metal. For the sake of your chemistry professor's sanity please memorize the metals and nonmetals on the periodic table. In fact just memeorize the periodic table.
Cohesion
matter
DNA is held together by hydrogen bonding (aka H-bonding).
Hydrogen bonding.
Hydrogen is linked by a covalent bond to an atom of oxygen. The covalent bonds are polar, as the oxygen atoms have a slight negative charge.
Water molecules are held together by hydrogen bond which is formed between hydrogen of one molecule and oxygen of other molecule. H2O-----H-O-H
atomic forcesType your answer here...Electrostatic attractive force holds combination of atoms together in molecules.
Ionic bonds.
hydrogen bonds
protons
The type of attraction that holds two water molecules together is an electrostatic attraction, known as the hydrogen bond.
attraction between the nuclei
ionic bonds hold the particles together in NaCl.
Cohesion