Radon. Because it has 86 protons, it has 86 electrons, so therefore, the atomic number is 86 on the Periodic Table.
Radon Rn
Radon has 86 protons in it's nucleus.
In descending order:radon (86)copper (29)sodium (11)
Radon atomic number is 86 so it has 86 protons,86 electrons, and 136 neutrons. This is wrong!
The chemical element, Radon, has an atomic number of 86, meaning it has 86 protons. Were there an isotope of Radon that had 136 neutrons, it would be labeled as 222Rn. Well, it turns out that this isotope does exist and has a half-life of 3.82 days.
Radon has 86 protons and electrons; the number of neutrons is different for each isotope: Number of neutrons = Atomic mass of the Rn isotope - 86
The element that has 86 protons in period 6 is Radon (Rn).
Radon has 86 protons in it's nucleus.
The number of protons is the same as the elements Atomic Number (86). So you can look it up on the Periodic Table.Element 86 is the gas Radon.NOTE is it NOT in period 4 it is in period 6
Radon Rn
Radon has 86 protons in it's nucleus.
86 - Atomic Number ( Number of Protons )RN (Radon)222 - Mass Numberatomic number 86 - a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health.
radon
Radon (Rn) has the most protons of any element in Group 0 (18) with 86 protons. However, if or when Ununoctium is officially confirmed, that will become the element with most protons in that family, with 118 protons.
In descending order:radon (86)copper (29)sodium (11)
Pb+4, Lead
Radon atomic number is 86 so it has 86 protons,86 electrons, and 136 neutrons. This is wrong!
The chemical element, Radon, has an atomic number of 86, meaning it has 86 protons. Were there an isotope of Radon that had 136 neutrons, it would be labeled as 222Rn. Well, it turns out that this isotope does exist and has a half-life of 3.82 days.