Neon-21 isotope (Ne-21 isotope, 21Ne isotope)
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21Ne Safety Data Sheet (SDS) in gas form - Download pdf file
Download 21Ne SDS in gas form
|Properties of 21Ne Isotope:||21Ne|
|Natural Abundance (%)||0.27|
|Atomic Mass (Da)||20.99384669|
|Relative Isotopic Mass||20.99384669|
|Neutron Number (N)||11|
|Atomic Number (Z)||10|
|Mass Number (A)||21|
|Nucleon Number (A)||21|
|Proton Number (Z)||10|
|g-factor (g value)||-0.441198|
|Electron Configuration Block||p|
|Melting Point (K)||24.56|
|Boiling Point (K)||27.1|
|Heat of Formation||nan|
|Electron Affinity (kJ/mole)||-1.2|
|Electronegativity (Pauling scale)||0|
|Atomic Radius (pm)||0|
|Covalent Radius (pm)||160|
|VDW Radius (pm)||154|
Neon is a colourless gaseous element of group 18 on the periodic table (noble gases). Neon occurs in the atmosphere, and comprises 0.0018% of the volume of the atmosphere. It has a distinct reddish glow when used in discharge tubes and neon based lamps. This element forms almost no chemical compounds. Neon was discovered in 1898 by Sir William Ramsey and M.W. Travers. Neon has 19 isotopes, 3 of them are stable.
Neon is used primarily for lighting.
What is 21Ne isotope natural abundance?
Answer: 0.270 %
What is atomic mass for 21Ne isotope?
Answer: 20.993847 Da
What is isotopic mass for 21Ne isotope?
How many neutrons does 21Ne isotope have?
How many protons does 21Ne isotope have?
How many electrons does 21Ne isotope have?
What is atomic number for 21Ne isotope?
Is 21Ne isotope stable?
Is 21Ne isotope radioactive?