Term
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Definition
Internal environment varies only within certain ranges
(pH, temperature, etc) |
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Term
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Definition
| The patient doesn't know what group they are in and the person administrating the treatment doesn't know either. |
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Term
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Definition
Anything that takes up space & has mass
(solids, liquids, gases) |
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Term
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Definition
| Substance that cannot be broken down by chemical means |
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Term
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Definition
| The smallest unit of an element that maintains the physical and chemical properties of the element. |
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Term
| Nucleus of an atom contains what 2 subatomic particles? |
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Definition
Protons & Neutrons
# of Protons determine the element |
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Term
| # of Electrons = # of _______ |
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Definition
Protons
This number is the atomic number of the element |
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Term
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Definition
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Term
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Definition
| Atoms of the same element with a different atomic mass |
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Term
| Give the electrical charges of electrons, protons and neutrons. |
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Definition
Electrons (-)
Protons (+)
Neutrons (none) |
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Term
| Atoms become charged by... |
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Definition
| losing/gaining electrons. |
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Term
| What is it called when atoms bond to other atoms? |
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Definition
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Term
| The two types of atomic bonds are... |
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Definition
Ionic
Opposites attract (negative and positively charged atoms bond)
Covalent
Atoms share electrons |
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Term
pH Scale:
0-7 is ____
7-14 is ____ |
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Definition
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Term
| Buffers (relates to pH scale) |
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Definition
| Chemicals that prevent drastic pH changes |
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