Atoms, Molecules and Chemical Reactions
Date Submitted: 08/24/2004 13:09:45
Category: / Science & Technology / Chemistry
Length: 2 pages (551 words)
Category: / Science & Technology / Chemistry
Length: 2 pages (551 words)
Atoms, Molecules and Chemical Reactions
Matter is anything that has mass and takes up space. Matter is made up of atoms and molecules. Gases are matter made of single atoms or molecules that are very far apart, moving rapidly. Liquids are made up of atoms or molecules that are closer together so you can see the substance, but they still move a lot so liquids flow and take shape of the container they are in. …
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…of Conversational Matter. An example is when hydrogen is changed into water and oxygen gas. A chemical equation will show you the number and kinds of molecules you start with and what you end up with after the chemical reaction takes place.
To live, your cells must constantly rearrange molecules in chemical reactions. these chemical reactions let you digest food, grow, get energy, reproduce and carry out all of the other processes needed for life.
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