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Why aren't there any p-block elements in the first period of the periodic table?
Wiki User
∙ 11y ago
Because in the first period, only the first energy level is being filled with electrons, which can take only a maximum of 2 electrons in the s sublevel. The electron configuration of hydrogen is 1s1 and helium is 1s2. There is no p sublevel in the first energy level.
Wiki User
∙ 11y ago
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