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bio/chem atom struct
| Term | Definition |
|---|---|
| Law of conversion of mass | Matter can't be created or destroyed |
| Law of definite proportions | The proportions of elements in a specific compound is always the same |
| Law of multiple proportions | When 2 elements form multiple compounds the mass of 1 element that combine with a fixed mass of the other element form a full number ratio |
| Ernest Ruthorford discover ___ | the nucleus |
| How did Ernest Ruthorford discover ___ | Discovered the nucleus through gold leaf experiment were he fired positive alpha particles at gold foil with some going through and other deflecting back showing atoms had a nucleus as it's mostly empty space except the nucleus |
| Cathode ray experiment | Showed atoms had electrons with a negative charge by shooting particles and having magnetic fields deflect the electrons |
| person who proposed matter was composed of atoms | Democritus(400 BC) |
| Person who created the Bohr model | Neils Bohr (1913) |
| Person who created the plum pudding model | JJ Thompson |
| Plum pudding model what was it | electrons randomly distributed inside a positively charged circle (no protons or neutrons) |
| electromagnetic spectrum | range of electromagnetic radiation organized by frequency or wavelength |
| emission spectrum | spectrum of electromagnetic radiation emitted by the source |
| what is a photon | a particle of electromagnetic radiation without mass |
| billiard ball model |