Chapter 5.1 and 2 Word Scramble
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Question | Answer |
Electromagnetic radiation | a form of energy that exhibits wavelike behavior as it travels through space. |
Wavelength | the shortest distance between equivalent points on a continuous wave. |
Frequency | the number of waves that pass a given point per second. |
amplitude | the wave's height from the origin to a crest, or from the origin to a trough. |
electromagnetic spectrum | encompasses all forms of electromagnetic radiation |
quantum | the minimum amount of energy that can be gained or lost by an atom |
Planck's constant | 6.26 x 10^-34J*s, where J is the symbol for Joule |
photoelectric effect | electrons that are emitted from a metal's surface when light of a certain frequency shines on the surface. |
photon | a particle of electromagnetic radiation with no mass that carries a quantum of energy. |
atomic emission spectrum | the set of frequencies of the electromagnetic waves emitted by atoms of the element. |
ground state | the lowest allowable energy of an atom |
de Brogile equation | predicts that all moving particles have wave characteristics |
Heisenberg uncertainty principle | states that it is fundamentally impossible states that it is fundamentally impossible to know precisely both the velocity and position of a particle at the same time. |
quantum mechananical model of the atom | the atomic model in which electrons are treated as waves |
atomic orbital | a three-dimensional region around the nucleus |
principal quantum numbers | indicate the relative sizes and energies of atomic orbitals. |
principal energy levels | the atom's major energy levels |
energy sublevels | The energy levels contained within a principal energy level. |
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