Sunday, September 8, 2013

Compounds and Mixtures


            Hey Guys! It's Teemster again! Did you guys like my last post? Hopefully you did! Anyway, lets get to science. That’s why you’re reading this, right? Well, for this post I'm going to talk about Compounds and Mixtures.



         Well, as you may or may not know, compounds and mixtures are very different. I’ll start with compounds. With compounds, different things come together and make a chemical change. A compound is made when toms of two or more elements bond in a chemical reaction. Elements and other compounds reacting can also form compounds. That being said, some compounds can be broken down into simpler compounds. After the chemical reaction, the elements don’t look anything like their original element from before. The chemical reaction causes the elements to change forms and from a new compound. An example of a compound is Salt. You know, that thing that is usually on the table at restaurants (I said usually because the salt isn't always there, and those are the times I need salt for my food! I hate it when that happens!). Table salt is TaCl. Ta is Natrium (Sodium), and Cl is for chlorine. Together, there is a chemical reaction, and Poof! There you go. Now you have table salt! Once the reaction happens, it is nearly impossible to undo. Did you get that? Yes? Yay! Wait… No? Oh well, moving on.



         So, did that make sense? Okay, good. (She says hoping that it made sense to you…) Well, now you know about compounds! Are you ready to learn about mixtures? Well, you are going to anyway so that shouldn’t even be a question. A mixture is formed when two or more elements, or compounds, are blended without combining chemically. They are combined physically, unlike compounds. When the substances are combined, they keep their own properties. Its like a salad! The lettuce, croutons, dressing, and anything else keep its properties, but it’s still mixed together. Even thought it is still mixed together, using physical or mechanical means can still separate it. Liquids, solids, and gases can be blended into heterogeneous or homogeneous mixtures. A homogeneous mixture is a mixture that is combined completely. You could think of it this way! You know those flavorings for water bottles? Well, when you combine that and the actual water, it dissolves together. That’s one example of a homogeneous mixture. A heterogeneous mixture is when the substances don’t completely combine together. The particles can be distinguished by the human eye, unlike in a homogeneous mixture. An example of this one is a regular bowl of fruit loops! The bits of cereal float around in a bowl of milk! You probably didn’t expect that, huh? Well, That's it for today! Bye! :D




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xoxo Teemster! :D

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