Explain the relationship between atoms, neutrons, protons, electrons, and molecules. Give examples using CO2 and H2O.
Atoms consists of neutrons, protons, and electrons. And each molecule is made up of atoms. In the molecule CO2, there is one atom of oxygen and two atoms of carbon. In the molecule H2O, there are two hydrogen atoms and one oxygen atom. The number of protons and electrons are the same; however if a molecule looses or gains an electron, this will cause the molecule to be either positive or negative, which forms an ion. Protons and electrons also make up the atomic number in each element. And to find the number of neutrons, you subtract the atomic number from the atomic weight.
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