The element Radon (atomic symbol Rn) is the noble gas found in Period 6 of the Periodic Table.
Radon
Lead is a not a noble gas; lead is a post-transition solid metal, group 14 , period 6 of the periodic table of Mendeleev.
period 6
The element radium (symbol Ra) is in period 7.
There are 6 noble gases in periodic table. The common one is helium.
This is best explained by an example: The electron configuration of Strontium (Sr) is: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 This can be simplified by using the noble gas that covers the most items. In this case it is Krypton (Kr) which has an electron configuration of: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 Do you see the similarity in the two configurations? This means that you can use [Kr] to represent 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 So the short-handed (simplified) way of writing Strontium is: [Kr] 5s^2 Everything before the 5s^2 was replaced with [Kr] Note: The "^" symbol means the the following number is in the form of a superscript.
Radon is the heaviest member of the noble gases group.Position in the Mendeleev periodic table of the elements: group 18, period 6, block p.
This element doesn't exist.
Lead is a not a noble gas; lead is a post-transition solid metal, group 14 , period 6 of the periodic table of Mendeleev.
Helium, Neon, Argon and if another Krypton.
period 6
The element radium (symbol Ra) is in period 7.
The element that has 86 protons in period 6 is Radon (Rn).
Chromium is the element in period 4 and group 6.
There is no element in period 3 group 6. The element at period 3, group 16 (called on very old periodic tables group VIA) is sulfur (S).
Period six on the periodic table starts the row after Xenon. The electron shell 6s2 6p2 corresponds to the atomic number 82. This is lead.
Caesium is a Period 6 element.
The element in the sixth period in column 13 is tellurium, with symbol Tl.