What are Molecules?

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Importance of Science....5

Molecules are made up of two or more atoms, such as hydrogen and oxygen to make water, or sodium and chloride to make salt. Discover how molecules are formed with important facts from a science teacher in this free video on fundamental physics.

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So let's talk about the next big thing after atoms that we can so far see in matter. And that's molecules. So, what are molecules? When two or more atoms link up together they form molecules. Again, simply put H2O. Two parts oxygen one part, no, two parts hydrogen and one part oxygen. How millions of those types of atoms form water. But, let's take something ordinary like salt. For instance, all you need to do is take one part sodium and one part chloride and you come up with NaCl and that's common table salt. Let's take another one. Let's take sugar. If you have six parts carbon, twelve parts hydrogen, and six parts oxygen that's how you make sugar. So next time you want to ask somebody, "Hey, pass the table salt." Tell them to pass you some sodium chloride or pass you some NaCl. If you really want to get fancy and impress your date or something. If you need sugar for your coffee or sugar for your tea after dinner, say "Excuse me, can you give me six parts carbon, twelve parts hydrogen, and six parts oxygen." Again, that's everyday sugar. So, remember, anything and everything living or non-living has a combination that is from the periodic table. That comes from matter. That comes from taking out the smallest piece making a little atom. Then combing these atoms linking them together to form millions and millions of molecules. Again, common table salt.

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