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Question
Zero group was introduced by :
Zero group was introduced by :
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Solution
The correct option is C Ramsay
Elements like helium, neon, argon, krypton are noble gases and were in the last group of Mendeleev's periodic table.
The group number of elements were equal to their valency. Noble gases had zero valencies so Ramsay named the group as zero groups and thus introduced the zero group.
Hence, the correct option is C
Elements like helium, neon, argon, krypton are noble gases and were in the last group of Mendeleev's periodic table.
The group number of elements were equal to their valency. Noble gases had zero valencies so Ramsay named the group as zero groups and thus introduced the zero group.
Hence, the correct option is C
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