Question | Answer |
electromagnetic radiation | form of energy that exhibits wavelike behaivor at it travles through space |
wavelength | shortest distance between two points on a contionus wave |
frequency | number of waves that pass a point in agiven second |
amplitude | the waves height from the orgin to the crest |
electromagnetic spectrum | emcompasses all forms of electromagnetic radiation |
quantum | minium ammount of energy that can be gained or lost by an atom |
planks constant | value of 6.626x10(-34)j.s |
photoelectric effect | electrons called photoelectrons are emitted from a metals surface when light of a certian frequency shines on the surface |
photon | s partical of electromagnetic radition with no mass that carries a quantom of energy |
atomic emission spectrom | 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 | predictis that all moving particles have wave chs |
heisenberg uncertianity principle | states that it is fundimentally impossible to know the velocity and position of a partical |
quantom mechanical model of the atom | the atomic model in which electrons are treated as waves |
atomic orbital | describes the electrons probable location |
principal quantom numbers | indicate the relative sizes and energies of atomic orbitals |
pricipal energy levels | the atoms major energy levels |
energy sublevels | are in principal energy levels |