Argon Description
·Argon was discovered in 1894 by the British scientist Sir William Ramsay and Baron John William Strutt Rayleigh.
·Argon constitutes 0.93 percent (%) of the atmosphere.
·Argon's melting point is at -189.3 C ( -302.8 F )
·Argon's boiling point is at 185.86 C ( -308.55 F )
·Argon's atomic mass is 39.948.
·Argon has 18 electrons, 18 protons, and 22 neutrons.
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