Compare the ground-state electronic configurations of the following atoms, and check the relative positions of the atoms in Table 1.3 on p. 10.
a. Carbon and silicon
b. Oxygen and sulfur
c. Fluorine and bromine
d. Magnesium and calcium

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TABLE 1.3 The Electronegativities of Selected Elementsa IA | IIA | IB | llB | IIIA | IVA | VA | VIA | VIIA Li Be 1.0 1.5 Na Mg 0.9 12 K Ca 0.8 1.0 2.0 2.5 3.0 3.5 4.0 Al Si P S CI 1.5 1.8 2. 2.5 3.0 3 2.8 increasing electronegativity 2.5 Electronegativity values are relative, not absolute. As a result, there are several scales of electronegativities. The electronegativities listed here are from the scale devised by Linus Pauling.