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| H20SO4 is an example of what? |
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| Are the properties of a compound different or the same as an element? |
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| Give an example of a chemical change. |
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| What's the difference between a molecule and a compound? |
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Definition
| A compound contains more than one element |
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Term
| What contains only one type of atom? |
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Definition
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| In a chemical reaction, what is ALWAYS true? |
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Definition
| a new substance is formed |
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| You get home from school and are craving sweets, so you decide to make cookies. Is mixing the ingredients a chemical or physical change? |
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| You get home from school and are craving sweets, so you decide to make cookies. Is baking the ingredients a chemical or physical change? |
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Term
| H2O and N2 are examples of what? |
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Term
| Sulfer, Iron and Aluminum are all examples of what? |
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Term
| What are the small components that make up elements called? |
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Term
| What happens to the atoms in a chemical reaction? |
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| What could occur during both a chemical and physical change? |
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Definition
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Which are the reactants?
2H2+O2------>2 H2O |
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Term
| Give an example of a physical change. |
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Definition
| ripping paper in half, breaking a pencil, breaking glass, etc. |
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Which are the products?
2H2+O2------>2 H2O |
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Definition
| It can be broken down and it is made of more than one type of element |
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| List the element and atoms for H2O |
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Definition
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Term
| Which chart names all of the elements? |
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Definition
| Periodic Table of Elements |
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Term
| What holds two or more atoms together chemically? |
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| What kind of substance cannot be broken down? |
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Term
| What are the vertical columns on the periodic table of elements called? |
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Term
| Do gas molecules move faster or slower than liquid molecules? |
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| What is it called when two or more different substances are not chemically combined? |
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Definition
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Term
| As matter gains heat energy, what happens to the particles within its arrangement? |
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Definition
| the particles move faster |
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