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Chapter 6: Q58E (page 336)
Question:Which of the following atoms contains only three valence electrons: Li, B, N, F, Ne?
Boron contains only 3 valence electrons.
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Question:Which atom would be expected to have a half-filled 4ssubshell?
Based on their positions in the periodic table, list the following ions in order of increasing radius:\({{\bf{K}}^ + },{\rm{ }}{\bf{C}}{{\bf{a}}^{{\bf{2}} + }},{\rm{ }}{\bf{A}}{{\bf{l}}^{{\bf{3}} + }},{\rm{ }}{\bf{S}}{{\bf{i}}^{{\bf{4}} + }}.\)
Based on their positions in the periodic table, rank the following atoms in order of increasing first ionization energy: F, Li, N, Rb
The microwaves in an oven are of a specific frequency that will heat the water molecules contained in food.(This is why most plastics and glass do not become hot in a microwave oven-they do not contain watermolecules.) This frequency is about\({\bf{3}} \times {\bf{1}}{{\bf{0}}^{\bf{9}}}{\rm{ }}{\bf{Hz}}\). What is the energy of one photon in these microwaves?
Which main group atom would be expected to have the lowest second ionization energy?
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