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Noble Gases
There are six naturally occurring noble gases. They are all colorless, odorless, and monatomic.
2,879 Questions
Does Ar have a stable noble gas configuration?
No, argon (Ar) does not have a stable noble gas configuration because it is not a noble gas itself. Ar is an inert gas found in Group 18 of the periodic table, but it does not have a full valence shell like noble gases such as helium, neon, or xenon.
Which noble gas has only two energy levels?
Helium is the noble gas that has only two energy levels in its electron configuration. Its electron configuration is 1s2, which means it has two electrons in the first and only energy level.
Is inhaling helium out of 2 balloons ok?
Inhaling helium from balloons can be dangerous as it can displace oxygen in your lungs, leading to oxygen deprivation which can be harmful or even life-threatening. It can also cause dizziness, lightheadedness, and in extreme cases, unconsciousness or asphyxiation. It is not recommended to inhale helium from balloons.
What is the average cost of a helium balloon?
The average cost of a helium balloon typically ranges from $1 to $10, depending on factors such as size, design, and location where it is purchased. Specialty or custom-designed balloons may cost more than standard balloons.
How many neutons dose argon have?
The element Argon has 8 Isotopes argon-35, argon-36, argon-37, argon-38, argon-39, argon-40, argon-41 and argon-42.
The stable isotopes of argon are:
- argon-36, 0.34%
- argon-38, 0.06%
- argon-40, 99.60%
Of the radioactive isotopes argon-39 has the longest halflife at about 260 years, all the others have halflives measured in days or much less.
Is a helium balloon rising to the ceiling a chemical property?
No. This is because it is demonstrating the fact that it is less dense than the air. Density is a physical property. Therefore the helium balloon rising to the ceiling is not a chemical property, and instead a physical property.
What is a crown-full cast high noble?
A crown-full cast high noble refers to a type of dental crown made from a high noble metal alloy that contains a high percentage of noble metals like gold, platinum, and palladium. This type of crown is known for its durability, strength, and biocompatibility, making it a popular choice for dental restorations.
How many electrons would sodium have to lose to have a noble gas configuration?
Sulfur must lose six electrons to attain noble gas electron configuration (in SO3, H2SO4 etc) but in most of the compounds it will exist as sulphides which is formed when sulphur will gain two electrons.
Compact fluorescent lamps (CFLs) are filled with mercury vapor and inert gases like argon and krypton. When electricity flows through the gas, it produces ultraviolet light that excites the phosphor coating inside the bulb, creating visible light.
What kind of bond does xenon make?
Xenon typically forms weak van der Waals bonds with other elements due to its electron configuration, which makes it relatively inert and unreactive. However, xenon can form compounds with highly electronegative elements, such as fluorine, under extreme conditions. These compounds are known as xenon fluorides.
No, helium does not rust or tarnish because it is an inert gas. Inert gases like helium do not readily react with other elements or compounds to form rust or tarnish.
How is fluorine different from helium?
Fluorine is a chemical element with atomic number 9, while helium is element number 2. Fluorine is a highly reactive nonmetal, while helium is a noble gas known for its inertness. Fluorine is commonly found in compounds like fluorides, while helium is often used in balloons and cryogenics due to its low boiling point.
Is argon a nonmetal or a metal?
Argon is a nonmetal. It is a noble gas that is colorless, odorless, and tasteless. Argon is typically inert and nonreactive with other elements.
How much helium does it take to lift a 2 pound weight?
Assume we're surrounded by air at standard temperature and pressure, and the helium is also at S.T.P.
The weight of a helium balloon of volume V would be equal to the density of helium multiplied by V multiplied by g (the acceleration due to gravity), i.e. VgρHe, and the weight of air displaced is similarly Vgρair. By Archimedes' principle, the balloon experiences an upward force equal to the difference, Vg(ρair - ρHe). If you want to lift a mass m then we must have Vg(ρair - ρHe) > mg, which gives:
V > m / (ρair - ρHe).
Setting m to 2 lbs (which is 0.91 kg) and plugging in the S.T.P. densities for air (typically 1.2 kg/m3) and helium (0.18 kg/m3) you get:
V > 0.89 m3,
i.e you need at least 890 litres (32 cubic feet) of helium at standard temperature and pressure.
What is the symbol or abbreviation for the element neon?
Ne is the symbol for neon. There is no abbreviation for neon.
Which is the odd one out helium argon hydrogen kryton?
Hydrogen is odd one as it is in group 1.
The other elements are in group 18 (noble gases).
What is neon's discover's last name?
Neon's Discover does not have a last name, as it is the brand name of the credit card issued by Discover Financial Services. The name "Neon's Discover" represents a specific card product offered by the company.
Helium is not typically used as a fuel in rockets. It is most commonly used in rocket propulsion systems as a pressurizing agent in liquid fuel rockets to push the fuel into the combustion chamber for efficient burning.
What group name and number is the element xenon found in?
group name is noble gases.
group number is 18.
How does noble gas notation simplify writing electron configurations?
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.
What molecules are in neon gas?
In neon gas, the molecules present are composed of two neon atoms bonded together. Neon gas exists as individual neon atoms in its elemental form, making it a monatomic gas.
What household items are made from helium?
The properties of each rare gas dictate its specific commercial applications. Because they are the most abundant, and therefore the least expensive to produce, helium and argon find the most commercial applications. Helium's low density and inertness make it ideal for use in lighter-than-air craft, such as balloons and blimps. Although helium has nearly twice the density of hydrogen, it has about 98% of hydrogen's lifting power. A little over 324.7 gal (1,230 l) of helium lifts 2.2 lb (1 kg). Helium is also nonflammable and therefore considerably safer than hydrogen, which was once widely used in gas-filled aircraft. Liquid helium has the lowest boiling point of any known substance (about -452°F; -269°C) and therefore has many low-temperature applications in research and industry. Divers breathe an artificial oxygen-helium mixture to prevent gas bubbles forming in the blood as they swim to the surface from great depths. Other uses for helium have been in supersonic wind tunnels, as a protective gas in growing silicon
and germanium crystals and, together with neon, to make gas lasers
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http://science.jrank.org/pages/5738/Rare-Gases-Uses.html#ixzz0KUGuCdTa&D
What is a good symbol for noble?
A lion is often used as a symbol for nobility due to its associations with strength, courage, and regal characteristics.
