Term
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Definition
| 2 or more elements chemically bonded |
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Term
| Give an example of a compound |
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Definition
NaCl (salt)
H2O (water)
CO2 (carbon dioxide)
It must contain atleast elements (2 or more capital letters) |
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Term
| O2 is an example of ________ |
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Definition
| element because it is only made of oxygen |
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Term
| ____________ can't be separated unless by chemical means |
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Definition
| Compounds - because they are made by chemical bonds |
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Term
3H2O
How many hydrogen atoms are there?
How many oxygen atoms are there? |
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Definition
6 Hydrogen atoms and 3 Oxygen atoms.
Remember you can only change the big number in front (coefficient) |
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Term
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Definition
| 2 more substance (compounds) that are DO NOT form chemical bonds |
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Term
Which one does not fit as a mixture? and Why?
pizza
salt water
salt |
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Definition
| Salt because it is a compound NaCl |
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Term
| Is soil an element, compound, or mixture? |
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Definition
Mixture because it is made up of a variety of different materials.
*most things we eat and com into contact are mixtures |
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Term
| How many different elements make up one molecule of glucose C6H12O6? |
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Definition
3
Carbon, Hydrogen, and Oxygen
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