Which of the following statements about metallic bond are correct? (1) the lower position of the metal in the periodic table, the weaker is the metallic bond. (2) the strength of metallic bond increases with increasing number of outermost shell electrons of the metal atoms. (3) metal is ductile and malleable because metallic bond is weak. a. (1) and (2) only b. (1) and (3) only c. (2) and (3) only d. (1), (2) and (3)