click below
click below
Normal Size Small Size show me how
chemistry
vocabulary
| Question | Answer |
|---|---|
| atom | The basic unit of matter |
| nucleus | The centger of an atom that contains the protons and neutrons. |
| electron | Negatively charged particles, located outside the atomic nucleus |
| element | A pure substance made of one type of atom, cannot not be broken down any further. |
| molecule | Two or more atoms combined |
| compound | The chemical combination of two or more elements in definite proportions. |
| bond(chemical) | What keeps molecules and compounds together. The glue |
| adhesion | Attraction between molecules of the same substance. |
| cohesion | Attraction between molecules of different substances |
| monomer | small unit that can join together with other small units to form polymers |
| polymer | Large compound formed from combinations of many monomers |
| carbohydrates | the main source of energy in living things. In animals starch is called glycogen and in plants cellulose |
| lipids | used to store energy(long term) and makes up the cell membrane and waterproof coverings |
| proteins | amino acids are the building blocks and their job is to control the rate of reactions, form structures, regulate cell proccesses, and transport substances |
| nucleic acid | store and transmit heridetary information |