The number of electrons present in last but one shell of the element just preceding Ar in the long form of periodic table is ………
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Answer: 7 electrons in the last shell of Chlorine
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Answer:
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By convention, elements are organized in the periodic table, a structure that captures ... If two atoms have complementary electron patterns, they can react and form a ... helium has a full valence shell, with two electrons in its first and only, 1n, shell. ... table reflect the number of electrons found in each element's valence shell,
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