6. The values of p, q, r and s in the balanced chemical equation: pBaCl2 + q A12 (SO4)3AlCl3 + s BaSO4 are respectively
(a) 3, 2, 2, 3 (b) 3, 1, 2, 3
(c) 2, 4, 2, 3 (d) 3, 1, 3,2

What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.