Term
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Definition
Basic unit of matter
Subatomic particles that are neutrons, electrons and protons |
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Term
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Definition
| Negatively charged particle |
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Term
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Definition
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Term
| Atoms have ________ amount of protons and neutrons. Because of this, atoms are always: ________. |
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Definition
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Term
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Definition
| A pure substance that consists of one type of atom. |
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Term
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Definition
| Same element with different amount of neutrons. |
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Term
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Definition
| Sum of the number of protons and neutrons |
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Term
| Do isotopes have the same chemical properties? |
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Definition
| Yes, because they have the same number of electrons |
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Term
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Definition
| Combination of 2 or more elements. Example- water, H2O |
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Term
| What are the 3 chemical bonds you learn about? |
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Definition
(1) Ionic
(2) Covalent
(3) Van der Waals |
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Term
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Definition
| One or more electron is transfered from one atom to another. This creates a 1 positively and one negatively charged atom. |
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Term
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Definition
| When atoms share electrons. |
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Term
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Definition
The uneven distribution of electrons between hydrogen and oxygen atoms.
Oxygen=negative hydrogen=positive |
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Term
| What does it mean for water to be polar? |
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Definition
| The molecule acts like a magnet with other poles. |
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Term
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Definition
| Not very strong bonds but are from the polarity of the partial negative and partial positive charges. |
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Term
| __________ are very important because they are critical to giving water their major properties. |
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Definition
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Term
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Definition
| Attraction of molecules between the same substance |
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Term
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Definition
| Attraction of molecules between different substances |
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Term
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Definition
| Physically mixed together (not chemically) |
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Term
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Definition
| Chemically mixed together substances |
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Term
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Definition
| Substance that is dissolved |
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Term
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Definition
| Substance that is dissolving. |
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Term
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Definition
| Mixtures of water and non-dissolved material |
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Term
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Definition
| Below a 7 on the pH scale. There is a concentration of H+ solution. |
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Term
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Definition
| Above a 7 on pH scale, low concentration of H+ |
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