How many atoms are in one molecule of cholesterol?

Answer A molecule of cholesterol contains 74 atoms. Cholesterol's molecular formula (which describes the atoms found in a single molecule of a chemical compound) is C27H46O--meaning it has 27 carbon atoms... Read More »

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How many atoms are in an H2O molecule?

Chemical formulas tell us the atoms contained in a molecule. In the case of a water molecule--Hâ‚‚O--the Hâ‚‚ indicates two atoms of hydrogen, and the O represents one atom of oxygen. Thus, Hâ‚‚O c... Read More »

How many atoms are in a molecule of helium?

Helium is monatomic. This means that only one helium atom makes up a single molecule. Helium is one of the six noble gases that are monatomic. The other noble gases are neon, argon, krypton, xenon ... Read More »

How many atoms are in a water molecule?

Water covers 70 percent of the earth's surface. The chemical formula for water is H2O. This means that every molecule of water has a total of three atoms--two hydrogen atoms (H) and one oxygen atom... Read More »

How many atoms are there in a DNA molecule?

DNA has 23 pairs of chromosomes, comprising about 6 billion neucleotides. The neucleotides are made up of guanine, adenine, cytosine and thymine. Each neucleotide has approximately 34 atoms. Theref... Read More »