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| A simplified representation of a more complex object or process which helps scientists understand the real object. |
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| The tiny building block of all matter |
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| Negitively charged particles |
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| A vacuum tube that Thomson used to discover electrons. |
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| Control center of everything |
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| Positive charged particle |
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| Was an experiment that redifined the visual of an atom |
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| Tube that helps you understand to see the light according to Bohr's model of the atom |
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| Number of protons in an atom. |
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| The average mass of the element or atom |
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| The mass of an atom in it's own measuring system (AMU) |
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| Different forms of an element that have a different number of neutrons |
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| An object releases energy which travels through space then gets absorbed by another object |
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| Made of matter and has particles |
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| Energy wavelength and is not made of matter |
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| A part of Ionizing radiation is positive. (a form -He 4/2) |
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| Ionizing radiation negative (B form -B 0/-1) |
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| Wavelengths does nothing to nucleus. (Y form -Y 0/0) |
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| Amount of time it takes for 50% of the atoms in a sample |
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| Breaking apart of a nucleus |
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| A domino effect one thing happens than another ect. |
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| Excess 235 Uranium more than usual |
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| The minimum amout of mass needed for the chemical reaction to start |
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| A chain reaction that is controlled |
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| A way to control nuclear chain reactions that absorbs neutrons |
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| A wau to control nuclear chain reactions by absorbing extra heat and hot energy |
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| Created the first scientific atomic theory |
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| Used the Cathod Ray Tube that helped him discover electrons |
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| Gold Foil Experiment, and discovered protons and a positive nucleus |
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| Discovered the nucleus and fixed Rutherfords model of the atom |
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| Shot alpha particles into a nucleus and the particles repelled. Thus concluding that the nucleus was positive |
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