colourless gas|What is carbon dioxide (CO₂) guide for KS3 chemistry students,nude desi gallery

Nitrogen, nonmetallic element of Group 15 [Va] of the periodic table. It is a colorless, odorless, tasteless gas that is the most plentiful element in Earth’s atmosphere and is a constituent of all living matter. Its atomic number is 7 and it。

noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og). The noble gases are colourless, odourless, tasteless, nonflammable gases.

At room temperature carbon dioxide is a colourless and odourless gas close gas One of the three states of matter. Gases, like oxygen or helium, do not have a colourless gasfixed shape and can expand to...

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