put it in water if it is oxygen you will see bubbles =)
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Noble gases can be made visible by either using a discharge tube to apply an electric current, causing them to emit colored light, or by forming compounds with other elements that exhibit color. For example, xenon can produce a blue glow when electrically excited, and radon can form compounds that emit visible light.
Noble gases. They are found in Group 18 of the periodic table and have full outer electron shells which make them stable and unreactive with other elements.
Inert gases, or noble gases, make up the 18th column on the periodic table. The names of the gases (in order from top to bottom) are: helium, neon, argon, krypton, xenon, radon.
there are five noble gasses. They are noble because they cannot combine with anything. Nitrogen is noble because nitrates make awesome explosives Boom no go noble gas
Mendeleev was unable to make predictions about the noble gas elements because at the time, they were not yet discovered or known to exist. The noble gases were not discovered until after Mendeleev had already developed the periodic table, so he did not have any data or knowledge to work with to make predictions about these elements.
noble gases are part of group 18 in the periodic table, also known as the noble gas group. They all have a full outer electron shell, making them stable and unreactive.