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Chemistry Vocab
Chapter 11
| Term | Definition |
|---|---|
| Electromagnetic Radiation | Radiant energy that exhibits wavelike behavior and travels through space at the speed of light in a vacuum |
| Wavelength | The distance between two consecutive peaks or troughs in a wave |
| Frequency | The number of waves (cycles) per second that pass a given point in space |
| Photon | A particle of electromagnetic radiation |
| Excited State | Energy has been absorbed |
| Ground State | Least amount of energy possible |
| Quantized Energy Levels | Only certain values of atoms are allowed |
| Bohr Model | Electrons must orbit like planets |
| Wavelength Mechanical Model | Electrons are moving in unpredictable ways around the nucleus |
| Orbitals | Regions of space with a 90% probability of finding an electron |
| Pauli Exclusion Principal | 2 electrons per orbital and only if spins are opposite |