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Which of the below statements are true about the Born-Haber cycle? a. The energy of the reaction of gaseous atoms to form an ionic lattice is called the lattice enthalpy. O b. Is drawn in a square/circle to depict the cyclical nature of the reactions, Oc. All the values in the cycle when added in the same direction sum up to give a value of 0. d. Starts at the highest energy level then keeps progressing down to the lowest energy level. Which of the below is not an exception to the Octet Rule? a. Molecules with odd number of electrons do not obey the octet rule. b. Group 3 elements generally form compounds with