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The name radon is derived from the Latin language word radius= radiation; the suffix on is typical for the noble gases (excepting helium).
Group 18 - noble (inert) gases: helium, neon, argon, krypton, xenon, radon, Uuo
Chromium's name originated from the Greek word for color, chroma.
Cr2O3 is, Chromium (III) oxide or simply Chromium oxide.
Radium Emanation (Ra Em) discovered in 1900 by Friedrich Ernst Dorn. Radon gas was observed following the radioactive decomposition of Radium, hence its initial name, before it was attributed as being a separate element.
Platinum
The name radon is derived from the Latin language word radius= radiation; the suffix on is typical for the noble gases (excepting helium).
Oderless , Colorless , Niton ( original name of radon , the name was changed in 1923 ) , Non - Flamable
Group 18 - noble (inert) gases: helium, neon, argon, krypton, xenon, radon, Uuo
Another chemical name is chromium trichloride or chromic chloride. Chromium(III) chloride is a chemical name as well.
This compound is chromium hydroxide.
Actually, it belongs to the Carbon Family or Group. Not Transition Metals!Hehe, this man up here is wrong XD! what he said (or she said) was wrong was right- CHROMIUM is a solid and carbon is a gas, so the correct answer is transition metals.
An alloy of aluminum and chromium is marketed as Aluminum Chromium.
Chromium (III) chloride
Chromium's name originated from the Greek word for color, chroma.
chromium oxide
Cr2O3 is, Chromium (III) oxide or simply Chromium oxide.