Question: 46. The effective nuclear charge experienced by the outermost electron of Na is different than the effective nuclear charge experienced by the outermost electron of
46. The effective nuclear charge experienced by the outermost electron of Na is different than the effective nuclear charge experienced by the outermost electron of Ne. This difference best accounts for which of the following? 2L (A) Na has a greater density at standard conditions than Ne. (B) Na has a lower first ionization energy than Ne. (C) Na has a higher melting point than Ne. (D) Na has a higher neutron-to-proton ratio than Ne. (B) Na has fewer naturally occurring isotopes 23. Neutron bombardment of uranium can induce the reaction represented above. Nuclide X is which of the following? (A) 92xsBr (B) 9135Br (D) 9237Rb (E) 37Rb 1999 Questions 14 refer to the following iypes of energy. (A) Activation chergy (B) Free energy (C) Ionization energy (D) Kinetic energy (E) Lattice energy 1. The energy required to convert a ground-state atom in the gas phase to a gaseous positive ion Question 58 refer to atoms for which the occupied atomic orbitals shown below. (A) is 2s_ (B) is 2s
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