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- 62.9% Resources O Hint Consider the following information. • The enthalpy of formation of SrO is A H; = -592.0 kJ/mol. • The enthalpy of sublimation of Sr is AHsub = 164.4 kJ/mol. • The first and second ionization energies of Sr are IE 549 kJ/mol and IE, = 1064 kJ/mol. • The first electron affinity of O is AHEAL = -142 kJ/mol. • The bond energy of O, is BE = 498 kJ/mol. • The lattice energy of SrO is AHjattice -3217 kJ/mol. Determine the second electron affinity of O. AHEA2 = kJ/mol about us privacy policy careers terms of use contact us helpcan you describe the properties of each component of atoms?[Review Topics] [References] Use the References to access important values if needed for this question. The following Lewis diagram represents the valence electron configuration of a main-group element. X. This element is in group According to the octet rule, this element would be expected to form a(n) If X is in period 4, the ion formed has the same electron configuration as the noble gas The symbol for the ion is Submit Answer Retry Entire Group 9 more group attempts remaining W with a charge of Next