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Compounds are composed of elements whose atoms share electrons |
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A solution that has a pH of ???? is neutral. |
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Human blood has a pH of between 7.38 and 7.42. this means that the blood is........ |
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some plants, such as pine trees, prefer soil with a pH between 4 and 6. these plants prefer..... |
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plants, such as lettuce, grow best in soil with a pH between 8 and 9. these plants prefer... |
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freshwater fish need water near pH 7. these fish prefer...... |
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rainwater can have a pH as low as 3, meaning that it is very.... |
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a single bond consists of one pair of shared..... |
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the starting materials in a chemical reaction are... |
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the substances formed from a chemical reaction are.... |
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a chemical reaction in which energy is released or removed is... |
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a chemical reaction in which energy is absorbed is... |
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what increases the solubility of a gas in a liquid? |
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what best describes chicken noodle soup? |
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how is a mixture diffrebt from a compound? |
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each substance in a mixture keeps most of its characteristic properties |
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the three major categories of elements are... |
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metals, nonmetals, and metalloids |
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medicines that instruct you to shake the bottle well before use are most likely ... |
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you add sugar to 50mL of hot tea and to 50 mL of iced tea until each is saturated. which cup would have a higher concentration? |
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