click below
click below
Normal Size Small Size show me how
Atom Vocabulary
The 15 vocabulary flashcards discussed in class on 8/18/14
| Term | Definition |
|---|---|
| Model | A structure or picture of an object |
| Atom | The smallest unit of matter |
| Nucleus | The center of an atom which contains protons and electrons. |
| Proton | Positively charged sub-atomic particles |
| Neutron | A neither positively charged or negatively charged sub-atomic particle |
| Electron | A negatively charged sub-atomic particle |
| Atomic Number | The indicator number of protons |
| Atomic Symbol/Nuclear Symbol/Chemical Symbol | The identifying symbol of an element |
| Sub-atomic Particles | The smallest fragment of the smallest unit of matter |
| Molecule | A group of linked atoms |
| Lewis Structure | Structure that shows the bonding of atoms |
| Bohr Model | A model of an atom showing a positive charged nucleus with negative charged electrons orbiting it |
| Electron Shell | An orbit followed by electrons around the nucleus |
| Valence Electron | An electron capable of participating in the formation of chemical bonds |
| Matter | Solid, Liquid,or Gas |