Ethanol is a compound. The others are elements.
Substances can be classified into elements and compounds. Ten examples include: Water (H₂O) - a compound. Carbon dioxide (CO₂) - a compound. Oxygen (O₂) - an element. Gold (Au) - an element. Sodium chloride (NaCl) - a compound. Iron (Fe) - an element. Ethanol (C₂H₅OH) - a compound. Helium (He) - an element. Ammonia (NH₃) - a compound. Silver (Ag) - an element.
No, helium and methane are separate gases. Helium is a noble gas that is primarily obtained from natural gas deposits, while methane is a hydrocarbon compound composed of carbon and hydrogen atoms. Helium is typically found in reservoirs separate from methane deposits.
which of these elements must be in organic compuonds oxygen hydrogen carbon helium or iron
Helium does not combine with other elements and pure helium will not have carbon dioxide in it.
organic materials MUST contain carbon compounds, so Helium in a balloon would never be organic, for it does not contain carbon.(and Helium is pretty inert - so you couldn't easily make an organic compound with it anyway).
Helium, carbon, and potassium are all chemical elements found on the periodic table. They each have distinct properties and uses in various applications.
Carbon dioxide is a compound consisting of carbon and oxygen.
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Substances can be classified into elements and compounds. Ten examples include: Water (H₂O) - a compound. Carbon dioxide (CO₂) - a compound. Oxygen (O₂) - an element. Gold (Au) - an element. Sodium chloride (NaCl) - a compound. Iron (Fe) - an element. Ethanol (C₂H₅OH) - a compound. Helium (He) - an element. Ammonia (NH₃) - a compound. Silver (Ag) - an element.
No. Helium is not an compound, it is a element.
Helium is not a compound, it is an element.
Helium is not a compound, it is an element.
Helium is an element and not a compound or mixture.
No, helium and methane are separate gases. Helium is a noble gas that is primarily obtained from natural gas deposits, while methane is a hydrocarbon compound composed of carbon and hydrogen atoms. Helium is typically found in reservoirs separate from methane deposits.
which of these elements must be in organic compuonds oxygen hydrogen carbon helium or iron
Molecular oxygen, sodium, hydrogen, helium, potassium, argon, nitrogen, carbon dioxide, water vapor, xenon, krypton, & neon
It is impossible to mix potassium and tellurium in a chemical reaction because to form a stable compound, you get 8 valence electrons. Potassium is in group I, so it has 1 electron. Tellurium is in group XVI, so it has six electrons. 1+6=7, so it is impossible UNLESS you have two potassium atoms to form K2Te.