Term
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Definition
a way of ranking substances from 1 (strong acid) to 7 (neutral), to 14 (strong base).
Name comes from "power of Hydrogen". |
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Term
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Definition
| an atom that has gained, or lost electrons |
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Term
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Definition
an substance that gives off hydrogen ions.
tastes sour
feels slippery
reacts with bases |
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Term
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Definition
an substance that wants to grab hydrogen ions.
tastes bitter
feels slippery
reacts with acids
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Term
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Definition
a substance that neither gives off, nor takes hydrogen ions.
water is an example
near a 7 on the pH scale |
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Term
| global warming/greenhouse effect |
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Definition
the observed phenomena of carbon dioxide levels increasing and global temperatures increasing.
caused by humans burning fossil fuels such as coal or petroleum;
also by feeding cattle corn, which disrupts their digestion and causes high methane release. |
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Definition
| a chemical that enters the body through skin or lungs, and usually causes cancer or brain damage |
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Term
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Definition
a substance that irritates the skin or lungs
Example = strong acid |
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Term
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Definition
| a chemical substance made by humans |
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Term
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Definition
| substances one begins with in a chemical reaction |
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Term
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Definition
| substance that one finishes a chemical reaction with |
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Term
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Definition
the law that the mass of the reactant chemicals will equal the mass of the product chemicals.
(See the worksheet you did on this). |
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Term
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Definition
| negatively charged particles that orbit around the nucleus of the atom, which bond atoms to other atoms |
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Term
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Definition
| a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. |
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