Term
What is the most basic unit of matter? |
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Definition
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What subatomic particle has a negative charge? |
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Definition
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| What subatomic particle has a positive charge? |
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Definition
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| What subatomic particle has no charge? |
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Definition
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Term
| If two samples of the same element have a different number of neutrons they are said to be _________ of that element. |
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Definition
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Term
True or False
If the # of electrons in and atom changes the element is different |
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Definition
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Term
True or False
If the # of protons in an atom changes then it is a different element. |
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Definition
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Term
| In an element the # what two subatomic particles are equal to each other |
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Definition
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Term
| A substance formed by the chemical combination of two or more elements in definite proportions |
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Definition
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Term
| What are the atoms in compounds held together by? |
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Definition
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Term
| What are the main types of chemical bonds? |
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Definition
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Term
| When an atom loses an electron in an ionic bond it becomes a ________ ion. |
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Definition
Positive
Ex. Table Salt (Na+)(Cl-) |
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Term
| A bond in which one or more electrons are transferred from one atom to another. |
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Definition
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Term
| What type of bond is formed when electrons are shared between atoms? |
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Definition
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Term
| If a substance has a pH less than 7 it is said to be a(n) ___________. |
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Definition
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Term
| if a substance has a pH equal to 7 it is said to be a(n) __________ substance. |
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Definition
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Term
| if a substance has a pH greater than 7 it is said to be a(n) ____________. |
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Definition
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Term
| A solvent is the substance that does what? |
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Definition
| Dissolve another substance |
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Term
| A solute is the substance that does what? |
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Definition
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Term
| A very large molecule is called a _________. |
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Definition
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Term
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Definition
| The process by which monomers are joined together into a polymer. |
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Term
| What are the small units used in polymerization? |
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Definition
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Term
| What are the large groups that are the product of polymerization? |
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Definition
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Term
| What are the four groups of organic compounds found in living things? |
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Definition
| Carbohydrates, Lipids, Nucleic Acids, and Proteins. |
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Term
| What are the main uses of carbohydrates by living things? |
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Definition
| The main source of energy and for structural purposes |
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Term
| What are carbohydrates made up of? |
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Definition
Carbon, Hydrogen, and Oxygen
(1-2-1) |
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Term
| What are simple sugars mainly used for? |
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Definition
immediate energy for cell activities
ex. glucose |
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Term
| What do living things store extra sugar as? |
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Definition
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Term
| What is the fancy name for a simple sugar? |
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Definition
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Term
| What is the fancy name for a large macromolecule formed by many simple sugars? |
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Definition
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Term
| What do animals store excess sugar as? |
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Definition
| Glycogen (it is a polysaccharide) |
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Term
| What do plants store excess sugar as? |
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Definition
| Cellulose (it is a polysaccharide) |
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Term
| What are lipids made from? |
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Definition
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Term
| What are the body's uses of lipids? |
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Definition
| To store extra energy, to be used for biological (cell) membranes, and as waterproof coverings |
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Term
| Name three different examples of lipids. |
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Definition
| Fats, oils, waxes, or steroids. |
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Term
What are most lipids made out of?
(not elements) |
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Definition
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Term
| A saturated lipid has the maximum # of what? |
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Definition
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Term
| In a fatty acid if their is carbon then it is said to be _____________. |
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Definition
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Term
| An unsaturated lipid is _________ at room temperature. |
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Definition
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Term
| Nucleic acids are made of what elements? |
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Definition
| Hydrogen, oxygen, nitrogen, carbon, and phosphorous |
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Term
| What are nucleic acids used for? |
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Definition
| The storage and transmition of hereditary materials. |
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Term
| Nucleic Acids store _____________. |
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Definition
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Term
| What elements are proteins made up of? |
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Definition
| Carbon, Hydrogen, and Oxygen |
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Term
What are proteins made of?
(not elements) |
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Definition
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Term
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Definition
| Control reaction rates, transport substances into and out of cells, fight disease, and regulate cell processes |
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