What types of bonding are present in H3O+?

Covalent and co-ordinate.

Related Questions:

(1) The maximum number of hydrogen bonds formed by a water molecule in ice is.

(2) What is the temperature at density of water is maximum ?

(3) Why ice floats on water at room temperature ?

(4) Why density of water is greater than ice ?

(5) What is "Nascent" Hydrogen ?

(6) How many hydrogen bonded water molecules are present?

(7) Water is generally a good solvent for ionic compounds. Why?