What is the main characteristic of the last element in each period of the periodic table? What is the general name of such elements?
What is the main characteristic of the last element in each period of the periodic table? What is the general name of such elements?
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The last element in each period of the periodic table is a gaseous element with its valence shell completely filled. Except for helium with complete duplet configuration, rest all the 5 gases have complete octet configuration.
These group 18 elements are commonly referred to as noble gases.
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