Question | Answer |
electromagnetic radiation | form of energy that exhibits wavelike behavior as it travels through space. |
wavelength | 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. |
plank's constant | value of 6.626X10(-34)J.s |
photoelectric effect | electrons, called photoelectrons, 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. |
electromagnetic radiation | form of energy that exhibits wavelike behavior as it travels through space. |
wavelength | 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. |
plank's constant | value of 6.626X10(-34)J.s |
photoelectric effect | electrons, called photoelectrons, 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 state of an atom. |
de Broglie equation | predicts that all moving particles have wave characteristics. |
Heisenberg uncertainty principle | ststes that it is fundamentally impossible to know precisely both the velocity and position of a particle at the same time |
quantum mechanical model of the atom | the atomic model in which electrons are treated as waves. |
atomic orbital | describes then electron's probable location. |
principal quantum numbers | indicate the relative sizes and energies of atomic orbitals. |
principal energy levels | the atom's major energy levels. |
energy sublevels | are in principal energy levels. |