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Ch. 2
Chapter 2 Definitions
| Term | Definition |
|---|---|
| Matter | Anything that occupies space and has mass. |
| Mass | How much of something there is. |
| Element | Substance that cannot be broken down into smaller substances by ordinary chemical means. |
| CHNOPS + Ca | Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur + Cacium |
| Chemical (atomic) symbol | A symbol that represents an element |
| Structure of an Atom | Nucleus:Protons, Neutrons, Electrons. |
| Nucleus | Total Positive Charge |
| Molecule | Multiple atoms bonded together sharing electrons. |
| Compound | Molecule with w/different atoms. |
| Chemical Formula | Shows what atoms are in the molecule. |
| Chemical Bond | The force of attraction that holds atoms together. |
| Ionic Bonds - Molecules | Table salt, bones and teeth. |
| Electrolytes | Ionic compounds that dissolve in water conducting an electricla current. |
| Covalent Bond | |
| Hydrogen Bond | (blank) |
| Inorganic Molecules | (blank) |
| Organic Molecules | (blank) |
| Properties of water | (blank) |
| Hydrophobic | (blank) |
| Hydrophilic | (blank) |
| Water compartments in the body | Intracellular Fluid (ICF) and Extracellular Fluid (ECF) |
| Simple sugars | (blank) |
| Complex Carbohydrates | (blank) |
| Monosaccharides | (blank) |
| Disaccharides | 2 Molecules of sugar |
| Maltose | 2 Glucose Molecules |
| Sucrose | 1 Glucose + 1 Fructose |
| Lactose | 1 Glucose + 1 Galactose |
| Glycogen | Polysaccharide:animal product ; Stores extra gulcose (energy) in body. |
| Starch | Polysaccharide:plant product, storage form of carbohydrates in plants. |
| Cellulose | Polysaccharide:plant product, made of glucose ; Forms cell walls of plants ; cannot be digested by humans. |