What is chromium? Chromium is an essential trace mineral. French chemist Louis-Nicholas Vaquelin discovered it in 1797. Many years later, Walter Mertz, an American physician and research scientist ...

2023年8月11日 · Chromium was discoverd by Nicolas-Louis Vauquelin in 1797. Tags History of Science Elements and Compounds Metal and Alloys History of Science Elements ...

2024年5月25日 · The compound CrO is chromium(II) oxide, containing chromium and oxygen ions. BaF2 is barium fluoride, consisting of barium and fluoride ions. Cl is a single Cl atom of chlorine.

2023年9月6日 · The term Diabetes (is Greek) was coined by Aretaeus of Cappadocia (he practiced medicine about 100 AD). It is derived from the Greek word, diabaínein that literally means "passing through," or ...

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An old car's bumper that was coated with chromim does not rust because chromium is? Updated: 4/28/2022. Wiki User. ∙ 13y ago. Study now. See answer (1) Best Answer. Copy. Anticorrosive. Wiki User.

No body knows! Updated: 5/22/2024 Wiki User. ∙ 14y ago

2024年5月31日 · What acid is found in ant squirt? Formic acid is the acid found in ant squirt. It is responsible for the burning sensation experienced when an ant bites or sprays its acidic venom as a defense ...

2024年5月24日 · It's a double-replacement reaction. It's also a neutralization reaction because the HCl(acid) neutralizes the NaOH(base).

2024年5月23日 · The complete combustion of acetylene C2H2g produces 1300 kJ of energy per mole of acetylene consumed How many grams of acetylene must be burned to produce enough heat to raise the temperature of?