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Definition
| A model that shows that the nucleus of the atom is composed of protons and neutrons. |
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Term
| Electromagnetic Radiation |
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Definition
| When energy is being transmitted from one place to another light. |
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Definition
| Described by wavelength, frequency and speed. |
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Definition
| Distance between 2 consecutive wave peaks. |
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Definition
| How many wave peaks pass a point per given time period. |
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Definition
| How fast a peak travels through water. |
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Definition
| Tiny packets of energy that can be used to describe a beam of light. |
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Definition
| When there is excess energy. |
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Definition
| Lowest energy state of an atom. |
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Term
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Definition
| They always emit photons with the same colors. |
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Term
| The energy levels of Hydrogen atoms |
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Definition
| Quantized which means certain values are allowed. |
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Term
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Definition
| Electrons move in circular orbits around the nucleus. This model turned out to be wrong. |
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Term
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Definition
| Electron states are described as orbitals and there is no information about when the electron occupies and how in this model. |
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Term
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Definition
| Hydrogen has discrete energy levels which is divided into sub levels. |
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Term
| Pauli Exclusive Principle |
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Definition
| An atomic orbital can hold a maximum of 2 electrons and must have opposite spins. |
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Definition
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Definition
| They are lustrous and change shape without breaking and they are good conductors of heat and electricity. They lost electrons for positive ions. |
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Term
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Definition
| They don't usually have physical properties and they gain electrons for negative ions. |
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Term
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Definition
| Elements that have both metal and nonmetal characteristics. |
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Term
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Definition
| Energy that is required to remove an electron from an atom in gas phase. |
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