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Some properties of helium are:
Helium is a gas, a natural chemical element.
The natural isotope 4He has 2 protons and 2 neutrons.
The natural isotope 3He has 2 protons and 1 neutron.
The number of electrons is identical - 2.
- Atomic number: 2
- Atomic weight: 4,002602(2)
- Electron configuration: 1s2
- Density: 0,1786 g/L
- Melting point: -272,2 0C
- Boiling point: -268,928 0C
- Radius of the atom (covalent): 28 pm
- First ionization energy: 2372,3 kJ/mol
- Sound speed: 972 m/s
- Thermal conductivity: 0,1513 W/m.K
- No color
- No odor
What else can I help you with?
What is the clasification of' barium?
Alkakli- earth metals
What is clasification?
Classification is a word used to describe an action of verifying something. This verifying uses shared qualities or characteristics of the object.
What is heliums family name?
helium is in the family of noble gases according to the periodic table
Is hydrogens atomic number greater than heliums?
Hydrogen has atomic number 1 whereas helium's is 2.
What is heliums gas constant?
The gas constant is the same for all gases: R = 8,314 462 1(75) J/mol.K
What is heliums normal phase?
liquid, and gas.
What is heliums odor?
Helium is an odorless gas.
What is heliums chemical state?
gaseous state.
What is heliums chemical?
Helium's chemical symbol is He.
What is heliums boiling temprature?
-268.93 °C
What are the 2 clasification of homonyms?
Homophones and homographs.
What is the Drug Clasification for Amphetamine?
Schedule II
What is the clasification of' barium?
Alkakli- earth metals
What is Dewey clasification?
If it has a coating of liquid then it is dewey.
What is the scientific clasification of a wolf?
Canis lupus
How do people feel about hunting bigfoot?
Some are against and some wants to put one in the slab for science clasification. The thing is that a film is not a proof for clasification.
What is heliums appereance?
helium is a colourless odourless gas
