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Peroidic Table Vocab
Cheese is money
| Word | Definitions |
|---|---|
| Element | A pure substance that can't be broken down phisically or chemically |
| Compound | Two elements combined |
| Mixture | A substance that is phisically made up of 2 subtances |
| Atom | The building blocks of matter |
| Proton | A positivily charged partical in the nucleus |
| Electron | A negitivily charged partical in the nucleus |
| Neutron | A neutral partical in the nucleus |
| Periodic | A regular repeating pattern |
| Periodic Law | A law that states that the chemical and phisical properties of elements are periodic functions of their atomic number. |
| Atomic Number | The amount of protons in an atom |
| Atomic Mass | The combined number of protons and neutrons |
| Isotope | An atom of the same element with the same number of protons but a different amount of neutrons. |
| Valence Electron | Electrons in the outer orbital. |
| John Dalton | Atomic Theory |
| J.J. Thomson | Small particals in the atom |
| Ernest Ruthford | Positive charged neucleus, atom mostly empty space. |
| Neils Bohr | Electrons travel in the clouds |
| Democritus | 1st to come up with an atom |
| Dimitri Mendaleev | 1st to organize a periodic table. Arranged by AM |
| Henry Mosely | Organized periodic table by Atomic Number |
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Mr.Cheese-it
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