Argon Atomic Mass
Atomic Number of Argon is 18.
Argon is a noble gas which composes about 1% of the atmosphere. It is used in incandescent light bulbs to permit the filament to be heated to a higher temperature, and therefore to produce a whiter light than would be practical in a vacuum. The mass given on the periodic table is the weighted average of the abundance of isotopes. Because heavier isotopes (more neutrons) of argon are more abundant than potassium's, by pure statistics, argon will appear with a greater mass on the perio. Atomic Mass of Argon Atomic mass of Argon is 39.948 u.
Chemical symbol for Argon is Ar. Number of protons in Argon is 18. Atomic weight of Argon is 39.948 u or g/mol. Melting point of Argon is -189,4 °C and its the boiling point is -185,9 °C.
» Boiling Point» Melting Point» Abundant» State at STP» Discovery YearAbout Argon
Argon is a gas without color and odor, which is one of the noble gases and is totally not reactive with other elements of the Periodic Table. The name of this chemical element originates from the Greek word meaning idle. There is some argon in its pure form in the atmosphere of our planet (estimated to be a little less than 1 per cent) but it has no high biological importance. Argon turns light violet when electricity passes through it. It is used in welding as well as in light and fluorescent bulbs. Also, argon is used to fill up space between two panes of the double glazed windows.
Uses of Argon
Argon, inert gas with the symbol Ar, is used in radio tubes, Geiger counters, fluorescent tubes, and incandescent light bulbs. It is also used in double-glazed windows to fill the space between the panes. And it is used in the production of some metals like titanium, uranium, and zirconium.
Argon can be used in neon lights, heat-treating processes, scientific research, medicine, and 3-D printing too.
Compounds with Argon
- HArF: Argon fluorohydride
- ArH+: Argonium
- MgAr+: Magnesium argide
Properties of Argon Element
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| Atomic Number (Z) | 18 |
|---|---|
| Atomic Symbol | Ar |
| Group | 18 |
| Period | 3 |
| Atomic Weight | 39.948 u |
| Density | 0.0017837 g/cm3 |
| Melting Point (K) | 83.8 K |
| Melting Point (℃) | -189,4 °C |
| Boiling Point (K) | 87.3 K |
| Boiling Point (℃) | -185,9 °C |
| Heat Capacity | 0.52 J/g · K |
| Abundance | 3.5 mg/kg |
| State at STP | Gas |
| Occurrence | Primordial |
| Description | Noble gas |
| Electronegativity (Pauling) χ | no data |
| Ionization Energy (eV) | 15.75962 |
| Atomic Radius | 71pm |
| Covalent Radius | 97pm |
| Van der Waals Radius | 188 |
| Valence Electrons | 8 |
| Year of Discovery | 1894 |
| Discoverer | Ramsay and Rayleigh |
What is the Boiling Point of Argon?
Argon boiling point is -185,9 °C. Boiling point of Argon in Kelvin is 87.3 K.
What is the Melting Point of Argon?
Argon melting point is -189,4 °C. Melting point of Argon in Kelvin is 83.8 K.
How Abundant is Argon?
Abundant value of Argon is 3.5 mg/kg.
What is the State of Argon at Standard Temperature and Pressure (STP)?
State of Argon is Gas at standard temperature and pressure at 0℃ and one atmosphere pressure.
When was Argon Discovered?
Argon Atomic Mass
Argon was discovered in 1894.
Argon Gas Atomic Mass
Argon Atomic Mass Approx