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21 Cards in this Set
- Front
- Back
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Justin |
Norwood |
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Acid |
Acid – any substance with a pH of 0-6.5, tastes sour, reacts with metals and carbonates and turns litmus paper blus |
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Base |
Base – any substance with a pH of 7.5-14, tastes bitter, feels slippery, and turns litmus paper red |
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Chemical Formulas |
Chemical Formula- space- a group of chemical symbols and numbers that shows the number of atoms of each element in a molecule |
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Chemical Property |
Chemical Property- space- a characteristic of a substance that cannot be observed without changing the identity of the substance |
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Chemical Reaction |
Chemical Reaction- space – a process by which elements and compounds react to form new substances |
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Density |
Density – space– the ratio of mass to volume of a substance |
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Endothermic |
Endothermic - a reaction that absorbs energy in the form of heat (takes in heat) |
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Exothermic |
Exothermic –a reaction that releases energy in the form of heat (gives off heat) |
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Heterogeneous |
Heterogeneous- space- a mixture in which substances are NOT distributed evenly |
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Homogeneous |
Homogeneous- space- a mixture in which substances are evenly distributed |
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Mixture |
Mixture- space – matter made up of 2 or more substances that are not joined chemically |
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Neutral |
Neutral- neither an acid or a base in relation to pH (6.5-7.5) |
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Physical Property |
Physical Property- space- a characteristic of a substance that can be observed directly or measured without changing the identity of the substance |
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pH |
pH- space- a measure of how acidic or basic a liquid is |
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Precipitate |
Precipitate- space- a solid that forms from a solution during a chemical reaction. |
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Product |
Product- space- a substance formed that is produced during a chemical reaction |
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Pure Substance |
Pure Substance- space- matter that has the same chemical composition throughout and cannot be separated by physical means |
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Reactant |
Reactant- space- a substance found at the beginning of a chemical reaction |
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Reactivity |
Reactivity –space- the tendency of a substance to undergo chemical changes |
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Solubility |
Solubility- space- the ability of one substance to dissolve into another, the amount of solute that can dissolve in a particular substance |
