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MaxineNo, noble gases were not shown in the Periodic Table of 1869 because they were not discovered until late 19th and early 20th centuries. Helium was the first noble gas to be discovered in 1895, followed by other noble gases such as neon, argon, krypton, and xenon.
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Why did Mendeleev's periodic table not contain the noble gases?
Because noble gases were not discovered when Mendeleev formulated his periodic table
What group of the region shown on the periodic table contains mostly elements that are gases at room temperature?
The so-called noble or inert gases are in Group 18, the last group on the right of the periodic table of the elements.
What family are the noble gases in?
Noble gases are in the group 18 of the periodic table of Mendeleev.
What is the most common noble gas on the periodic table?
There are 6 noble gases in periodic table. The common one is helium.
What is the last group in the periodic table called?
There are no 'rows' on the Periodic Table of the Elements.I assume you are talking about Group-18 of the table.Group-18 of the Periodic Table of the Elements are the noble gases. These elements have a full valence shell (8 electrons).
