Nearly all of the hydrogen consumed in the United States is used by industry for refining petroleum, treating metals, producing fertilizer, and processing foods. U.S. petroleum refineries use hydrogen to lower the sulfur content of fuels.
2. Helium:
Symbols:
HE:
Uses:
Helium (He), chemical element, inert gas of Group 18 (noble gases) of the periodic table. The second lightest element (only hydrogen is lighter), helium is a colourless, odourless, and tasteless gas that becomes liquid at −268.9 °C (−452 °F).
Answers & Comments
Answer:
1. Hydrogen:
Symbols:
H
Uses:
Nearly all of the hydrogen consumed in the United States is used by industry for refining petroleum, treating metals, producing fertilizer, and processing foods. U.S. petroleum refineries use hydrogen to lower the sulfur content of fuels.
2. Helium:
Symbols:
HE:
Uses:
Helium (He), chemical element, inert gas of Group 18 (noble gases) of the periodic table. The second lightest element (only hydrogen is lighter), helium is a colourless, odourless, and tasteless gas that becomes liquid at −268.9 °C (−452 °F).
3. Lithium:
4. Beryllium:
5. Boron:
6. Carbon:
7. Nitrogen:
8. Oxygen:
9. Fluorine:
10. Neon:
Answer:
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