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chapter fosizzle
chapter 5
| 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 |