| A | B |
| Are lipids soluble in water? | No |
| What composes lipids? | Carbon, hydrogen, oxygen |
| Anything which has a mass and takes up space | Matter |
| What are four subatomic particles | Proton, Nuetron, Electron, Atomic Mass Unit |
| Positively charged in the nucleus | Proton |
| Uncharged in the nucleus | Neutron |
| Particle distributed within a liquid, gas, solid | Suspension |
| Proteins are structural materials for... | Growth and Repair |
| Where do acids fall on the pH scale? | Below 7 |
| Chemical producing hydrogen ions in a water solution | Acid |
| Where do bases fall on the pH scale? | Above 7 |
| What # is considered neutral on pH scale? | 7 |
| What are two types of componds? | Inorganic and Organic |
| Large molecules formed when many monosaccharides bond | Polyaccharides |
| What are the simplest carbohydrates? | Monosacharides |
| What are 2 examples of carbohydrates? | Sugars and starches |
| What is a main source of energy? | Carbohydrates |
| Easily bonds to other compounds by forming chains or rings | Bonds in organic compounds |
| What is a common solvent? | Water |
| Orgnaic compounds that store energy fats and oils | Lipids |
| Substances togther but not chemically combined | Mixture |
| One substance dissolved into another | Solution |
| When can compunds be formed? | When atoms share electrons |
| contains two atoms of the same kind | Diatomic molecules |
| The number that precedes a formula is called | A coefficient |
| What does a coefficent indicate? | The # of molecules |
| How many elements are man made? | 14 |
| Negatively charges; in constant motion around the nucleus | Electron |
| How many elements occur naturally? | 92 |
| Sodium has a positive ion. How is it written? | Na + |
| Atomic Mass Unit =?? | Proton + neutron |
| When do isotopes occur naturally? | @50 |
| Chlorine has a negative ion. How is it written? | Cl- |
| When was Dalton's Atomic Theory developed? | 1803 |
| What are 3 parts of Dalton's atomic theory? | 1. Elements are composed of like atoms 2. Atomic Number. 3. Atomic Mass |
| What are the five most common elements found in the human bodt (in order) | 1. Hydrogen 2. Carbon 3. Nitrogen 4. Oxygen 5. Fluorine |