| Term | Definition |
|---|
| electromagnetic radiation | a form of energy that exhibits wave like behavior as it travels through space. |
| electromagnetic spectrum | encompasses all form of electromagnetic radiation with the only differences in types of readiation being their frequency and wavelength. |
| gamma | the high energy, high frequency, short wavelength wave is... |
| radio | the low energy, low frequency, long wavelength wave is... |
| meters | wvaes are measured in... |
| waves, particles | Electrons act as both ____ and as ___. (the electron needs to have its properties described as both. |
| amplitude | waves height |
| wavelength | shortest distance between two equivalent points |
| frequency | number of waves that pass a given point per second. |
| crest | top of waves |
| trough | bottom of waves |
| amplitude | from the midpoint line up |
| c= (flip y)f | wve equation |
| flip y | wavelength symbol in wave quation (varies per wave, measured in meters) |
| f | frequency symbol in wave formula (varies per wave, measured in Hertz (Hz)) |
| bohr planetary model of atom | distinct energy levels that the electrons revolved around the nucleus similar to plantets revolving around the sun. |
| energy level | ___ ____ of electrons is region around the nucleus where the electron is most likely to be found. |
| quantum | the amount of energy required to move an electron from its present energy level to the next highest energy level. |
| frequency | Energy of a quantum is related to the ___ of the emitted radiation. |
| hf | E (quantum) = |
| hf | E (photon) = |
| 6.626 x 10 (-34) | h = Plank's constant ________ J * s |
| photoelectric effect | electrons emitted from a metal when a light of certain frequency shines on it. |
| substance | Matter that has a uniform composition is known as a _______. |
| the same | The law of conservation of mass states that during a chemical reaction, total mass is _____. |
| filtration | Which technique uses a porous barrier to separate a solid from a liquid? |
| definite proportions | The law of _______ states that a compound is always a composed of the same elements in the same proportion of mass. |
| atom | The smallest particle of an elements that retains the properties of the element. |
| atomic mass unit | Measures the mass of an atom relative to the amss of carbon-12 atom, which is taken as a standard. Defined as 1/12 the mass of a carbon-12 atom. |
| bottom left (subscript) | the atomic number is written where on an element? |
| top left (superscript) | The mass number is written where on an element? |
| protons | the atomic number is the same as the number of |
| protons, neutrons | to find the mass number, add the ______ and the ______. |
| c = J / m * (delta)T | specific heat formula |
| q = C * m * (delta)T | heat formula |
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