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38 Cards in this Set
- Front
- Back
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Matter |
Anything that occupies space and had mass. |
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Carbon |
Main composition of organic compounds |
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Hydrogen |
Major source of fuel in the production of energy |
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Oxygen |
Essential part of water molecule and organic compounds |
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Nitrogen |
Key element in proteins |
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Phosphorus |
Major component in nucleic acid and energy-rich compounds |
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Sulfur |
Part of some amino acids and vitamins |
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Calcium |
Major components of Bones and acts as biological signals in the body |
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7 main elements in body |
Carbon Hydrogen Oxygen Nitrogen Phosphorus Sulfur Calcium |
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Sodium and Potassium |
Essential for nerve function
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Iodine |
Regulates body temperature |
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Molybdenum |
Need by plants to incorporate nitrogen into biologically useful substance |
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Magnesium |
Important component of Bones, teeth and chlorophyll |
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Iron |
Carrier of oxygen in blood |
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Atoms |
Composes elements |
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Ionic bonds |
Attraction between opposite charge |
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Ionic bond |
Transfer of electron |
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Covalent bond |
Covalent bond sharing of outermost she'll electrons |
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Hydrogen bond |
Weakest |
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Compound |
Around of 2 or more elements chemically bonded |
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Give characteristics of Water |
Is a biological solvent Molecules stick to each other and surfaces High surface tension High heat capacity High heat of vaporization High heat of fusion Medium where chemical and physical processes take place Servers as moisturizer for surfaces Lubricant A good cushion |
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Ionization |
Dissociates water molecule to form hydroxyl in and hydrogen ion |
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pH scale |
Measures hydrogen ion concentration |
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"pH" scale meaning |
"Potential of hydrogen ions" scale |
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Buffer |
Mixture of weak acid and base to control pH of a substance |
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Acids |
Compounds that release hydrogen ions in solution Blue litmus paper to red |
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Bases |
Red litmus to blue |
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Salt |
Is a compound from combination of acid and base |
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Carbon dioxide |
Inorganic compound essential for photosynthesis |
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How does the body eliminate Co2 |
Respiration |
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Electrolytes |
Affect amount of water and acidity of bold in the body |
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Bicarbonate |
Regulates heart function Maintains body's pH balance |
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Calcium |
Component of Bones and teeth Vital role in nerve impulses and muscle movement |
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Chloride |
Maintainsb water balance |
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Magnesium |
Aids in production of DNA Contributes normal nerve and muscle function Maintains normal heart rhythm Enhances immune system Regulates blood glucose levels |
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Phosphate |
Strengthens bones and teeth |
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Potassium |
Helps cell produce energy for tissue repair and growth Aids in generating electrical impulses in body |
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Sodium |
Helps with electrical signals Part of water regulation |
