In terms of the periodic table, is there an abrupt or gradual change between ionic and covalent bonds?
A. There is a gradual change: the farther apart, the more ionic.
B. Actually, any element of the periodic table can form a covalent bond.
C. Whether an element forms one or the other depends on nuclear charge and not the relative positions in the periodic table.
D. There is an abrupt change that occurs across the metalloids.
Answer: A
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