When H+ forms a bond wit H2O to form the hydronium ion H3O+,its called a coordinate covalent bond because?

Question

A. both bonding electrons come from the oxygen atom
B. it forms an especially strong bond
C.the electrons are eqaully shared
D.the oxygen no longer has eight valence electrons

Answer 1

Best Answer - Chosen by Voters

A. A coordinate covalent bond occurs when one atom donates BOTH of its bonding electrons to the chemical bond [between elements]. :)