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Atomic Number Of Radon; Two Times Forty-three
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Radon is a chemical element with the symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas. It occurs naturally in minute quantities as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead and various other short-lived radioactive elements. Isotopes: Radon has 33 isotopes whose half-lives are known, with mass numbers 196 to 228. Element Radon (Rn), Group 18, Atomic Number 86, p-block, Mass 222. Sources, facts, uses. Atomic Number of Radon Atomic Number of Radon is 86. Chemical symbol for Radon is Rn. Number of protons in Radon is 86. Radon is an element with atomic symbol Rn, atomic number 86, and 222.0. The three naturally occurring radon isotopes (222Rn, 220Rn, and 219Rn) with half-lives varying over 3 orders of magnitude are useful as tracers in many branches of geoscience.
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Atomic Number of Radon is 86.
Chemical symbol for Radon is Rn. Number of protons in Radon is 86. Atomic weight of Radon is 222 u or g/mol. Melting point of Radon is -71 °C and its the boiling point is -61,8 °C.
» Boiling Point» Melting Point» Abundant» State at STP» Discovery YearAbout Radon
Radon is one of the noble gases known for their extremely low reactivity. Thus, it can be found in our planet in its pure form. It is odorless and has no color, but is highly radioactive. It was discovered in the very beginning of the 20th century and given the name after the word radiation. It is considered that radon has no importance for biological life on our planet, but as the evidence has shown it can play a role in evolution and genetic modifications, in particular. Generally, radon is used in nuclear chemistry and for treatment of certain types of cancers.
Properties of Radon Element
| Atomic Number (Z) | 86 |
|---|---|
| Atomic Symbol | Rn |
| Group | 18 |
| Period | 6 |
| Atomic Weight | 222 u |
| Density | 0.00973 g/cm3 |
| Melting Point (K) | 202 K |
| Melting Point (℃) | -71 °C |
| Boiling Point (K) | 211.3 K |
| Boiling Point (℃) | -61,8 °C |
| Heat Capacity | 0.094 J/g · K |
| Abundance | 4×10−13 mg/kg |
| State at STP | Gas |
| Occurrence | Transient |
| Description | Noble gas |
| Electronegativity (Pauling) χ | no data |
| Ionization Energy (eV) | 10.7485 |
| Atomic Radius | 120pm |
| Covalent Radius | 145pm |
| Valence Electrons | 8 |
| Year of Discovery | 1900 |
| Discoverer | Dorn |
Rn Atomic Mass
What is the Boiling Point of Radon?
Radon boiling point is -61,8 °C. Boiling point of Radon in Kelvin is 211.3 K.
What is the Melting Point of Radon?
Radon melting point is -71 °C. Melting point of Radon in Kelvin is 202 K.
How Abundant is Radon?
Abundant value of Radon is 4×10−13 mg/kg.
What is the State of Radon at Standard Temperature and Pressure (STP)?
State of Radon is Gas at standard temperature and pressure at 0℃ and one atmosphere pressure.
When was Radon Discovered?
Radon was discovered in 1900.
Atomic Number Of Radon