Term
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Definition
| smallest particles of elements |
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Term
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Definition
| naturally occurring fundamental type of matter |
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Term
| What are the six most common elements found in the molecules of living organisms? |
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Definition
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur
(CHNOPS) |
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Term
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Definition
| The rows on the periodic table. Periods tell you the number of electron shells an element has. |
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Term
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Definition
| The columns on the periodic table. Groups tell you the number of valence electrons an atom has. |
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Term
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Definition
| The number of protons and neutrons of an element. |
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Definition
| The number of protons of an element. |
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Term
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Definition
| atoms of the same element with differing numbers of neutrons |
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Term
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Definition
| two or more atoms of the same element |
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Term
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Definition
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Term
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Definition
| bonds between atoms caused by atoms in outermost shell |
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Term
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Definition
| formation of chemical bond |
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Term
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Definition
| Ionic, Covalent, Hydrogen, Hydrophobic, van der Waals forces |
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Term
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Definition
| liquid portion of a solution |
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Term
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Definition
| dissolved substance dissolved in a solution |
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Term
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Definition
| mixture of two substances, usually a liquid and solid |
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Term
| What three ions form when water dissociates? |
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Definition
Hydrogen- H+
Hydroxide OH-
Hydronium- H3O+ |
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Term
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Definition
| substances that disassociate in water to release H ions (HCL, lemon juice, milk) |
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Term
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Definition
| substances that either take up H ions or release OH- ions (baking soda, antacid) |
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Term
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Definition
chemical that keeps pH at a particular value
Take up excess H+ or OH- ions
Ex: Carbonic Acid |
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