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Helium is odourless and colourless and remains as a gas at room temperature; this chemical element is abbreviated as He. Helium has two protons in its nucleus whereas the atomic number of helium is 2 and is listed in group VIII of the periodic table. As a noble gas helium is almost chemically inert, unreactive. After hydrogen, helium is the most abundant element in the universe.
During an eclipse in 1868, French astronomer Pierre Janssen discovered helium. After Helium was proven to be an element it was named by a British chemist Sir Edward Frankland and British astronomer Sir Joseph Norman Lockyer...
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Common topics in this essay:
- Biology, The Five Major Compounds
- Helium
- Chemical Reactions of Copper compounds
- Classification Tests On Organic Compounds
- Differences Between Ionic and Covalent Compounds
- Elements and their compounds
- Helium
- Helium
- Hydrogen
- Hydrogen
- how Is Helium Produced?
- Identifying 3 Unkown Compounds (Physical Properties of Ionic and Molecular Solids)
- Identifying Organic Compounds Lab Report
- Organic Compounds Lab Report
- Separation of three compounds
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