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Argon
Argon is a noble gas, and the third most common gas in the earth's atmosphere.
1,181 Questions
What is the function of argon in Earth's atmosphere?
As far as I'm aware, it has no particular use in the atmosphere.
Argon is inert which means it undergoes no* natural reactions. It doesn't do anything.
It exists because of this fact, also. It's pretty hard/impossible to get rid of or convert/use.
It does have some pretty important scientific uses, though. Such as providing inert atmospheres, thermal insulation and lighting.
*It has no common natural reactions you would ever see in your lifetime (if you could witness reactions on such a scale). Given an infinite amount of time you would see all things occur. Seems nit-picky but this is the reality of physics and chemistry.
Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 (noble gases) of the periodic table. Argon is the third most common gas in the Earth's atmosphere, at 0.93% (9,300 ppm), making it approximately 23.8 times as abundant as next most common atmospheric gas, carbon dioxide (390 ppm), and more than 500 times as abundant as the next most common noble gas, neon (18 ppm). Nearly all of this argon is radiogenic argon-40 derived from the decay of potassium-40 in the Earth's crust. In the universe, argon-36 is by far the most common argon isotope, being the preferred argon isotope produced by stellar nucleosynthesis in supernovas.
The name "argon" is derived from the Greek word αργον meaning "lazy" or "the inactive one", a reference to the fact that the element undergoes almost no chemical reactions. The complete octet (eight electrons) in the outer atomic shell makes argon stable and resistant to bonding with other elements. Its triple point temperature of 83.8058 K is a defining fixed point in the International Temperature Scale of 1990.
Argon is produced industrially by the fractional distillation of liquid air. Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily non-reactive substances become reactive; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning. Argon gas also has uses in incandescent and fluorescent lighting, and other types of gas discharge tubes. Argon makes a distinctive blue-green gas laser.
How is argon used in its Natural mineral?
Argon is a noble gas and does not react with other elements, so it does not typically participate in mineral formations. Instead, argon is commonly found in the Earth's atmosphere in small amounts, where it acts as an inert gas.
What is the argon percentage in Earth's atmosphere?
The percentage of Argon in the atmosphere is 0.93% in volume.
(0.934 to be more accurate-pip)
The atmosphere is 0.934% argon by volume, so, a lot of argon.
The earth's atmosphere has a volume of about 3x1024 m3, which means that there are about 2.8x1022 m3 (5x1012 mi3) of argon in the atmosphere. The density of argon is about 1.77 kg/m3 so there are about 1.58 kg of argon in the atmosphere.
What group does argon belong to on the periodic table?
Argon (Ar, element number 18) is the last element in the third period of the periodic table.
Why are samples of the alkali metal cesium usually stored in argon acid?
Most often to provide a chemically inert atmosphere in which a reaction can take place. Argon is preferred over the lighter noble gases for this purpose because argon is denser than air. And to make pizza!!! :)
Where is argon found on earth?
Argon is a naturally occurring gas found in the Earth's atmosphere. It is the third most abundant gas in the atmosphere, making up about 0.93% of the air we breathe. Argon is also found in some minerals and rocks.
Argon is found naturally in the Earth's atmosphere, making up about 0.93% of the air we breathe. It is extracted through the process of fractional distillation of liquid air. Argon can also be found in some minerals and volcanic gases.
What type of bond formed between hydrogen and argon?
No bond forms between hydrogen and argon because they belong to different groups on the periodic table. Hydrogen typically forms covalent bonds with other elements, while argon is a noble gas that exists as individual atoms.
Why does a balloon with argon sink?
A balloon filled with argon will sink because argon is denser than air. The density of a gas affects its buoyancy in the surrounding air; denser gases will sink while lighter gases will rise.
Why does an argon balloon sink?
Argon is denser than air, so an argon balloon will sink because it is more negatively buoyant than the surrounding air. The overall density of the balloon and the gas inside it is greater than the density of the surrounding air, causing it to fall downward.
What does Argon the element taste like?
Argon is a colorless, odorless, and tasteless noble gas, so it does not have a distinct taste. Since it is an inert gas and does not react with other substances, it would not have any taste when consumed.
Argon and bromine are not similar. Argon is a colorless, odorless gas that belongs to the noble gas group on the periodic table, while bromine is a reddish-brown liquid halogen. Argon is chemically inert and does not readily react with other elements, while bromine is a highly reactive element.
Chemists might store reactive chemicals in argon because argon is an inert gas that does not react with most substances, thereby providing a stable environment for storing reactive chemicals. Argon belongs to the noble gas family.
What temperature does argon turn to liquid?
Argon turns into a liquid at a temperature of -185.86 degrees Celsius (-302.53 degrees Fahrenheit) under normal atmospheric pressure.
How many argon (Ar) atoms are there in 1.5 x 102 g if argon?
To find the number of argon atoms in 1.5x10^2g of argon, we first need to determine the molar mass of argon. The molar mass of argon is approximately 39.95 g/mol. Next, we convert the given mass to moles by dividing by the molar mass. Finally, we use Avogadro's number (6.022x10^23) to convert moles to atoms. The number of argon atoms in 1.5x10^2g of argon would be approximately (1.5x10^2g / 39.95g/mol) x 6.022x10^23 atoms.
What is the half life of Argon 40?
The half-life of Argon-40 is about 1.25 billion years. This means that it takes 1.25 billion years for half of a sample of Argon-40 to decay into its decay products. Argon-40 is commonly used in radiometric dating to determine the age of rocks and minerals.
What has seven valence electrons and two more protons than phosphorus?
The atom with seven valence electrons and two more protons than phosphorus is chlorine (Cl). Chlorine has 17 protons and 7 valence electrons, while phosphorus has 15 protons and 5 valence electrons.
The atomic radius of argon is approximately 0.71 angstroms.
What are the uses of Liquid argon?
Liquid argon is commonly used in cryogenics and refrigeration for its extremely low boiling point of -186°C. It is also utilized in the semiconductor industry for cooling during the manufacturing process of silicon wafers. Additionally, liquid argon is employed in medical applications for cryotherapy and as a shielding gas in welding processes.
How many neutrons in argon 38?
Argon-38 is an isotope of argon with 21 neutrons. This can be calculated by subtracting the atomic number from the atomic mass number (38 - 17 = 21 neutrons).
How do you make liquid argon into gas?
To convert liquid argon into a gas, you simply need to allow it to warm up to its boiling point of -185.8 degrees Celsius (-302.4 degrees Fahrenheit). As the temperature increases, the liquid argon will start to evaporate and turn into gaseous form.
What is the electron arrangement in Argon?
Argon has an electron arrangement of 2-8-8, with 2 electrons in the first energy level, 8 in the second energy level, and 8 in the third energy level. This configuration gives argon a full outermost shell, making it stable and unreactive.
Why is the percentage of argon the same in the atmosphere?
The percentage of argon in the atmosphere is relatively constant because it is a non-reactive gas, meaning it does not easily react with other elements or molecules in the air. This stability allows the percentage of argon to remain consistent over time.
