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Atomic Theory
Vocab for the Atomic Theory
| Question | Answer |
|---|---|
| Neutron | A subatomic particle about the same mass as a proton but without an electric charge |
| Electrons | The part of an atom that is involved in chemical reaction |
| Protons | Is a positive charge and a neutron that has no charge |
| Element | When something is made up of only one kind of atom |
| Atom | Whether it is a solid, liquid, gas, or matter |
| Malleable | can be smashed without crumbiling |
| Luster | shiny |
| Ductile | can be drawn into thin wire |
| corrosive | rusts |
| density | the degree compactness of a substance |
| Nobel gases | any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known. |
| Transitional metals | relating to or characteristic of a process or period of transition. |
| Alkaline metals | any of the elements beryllium, magnesium, calcium, strontium, barium, and radium.They are reactive, electropositive, divalent metals, and form basic oxides that react with water to form comparatively insoluble hydroxides. |
| alkali metals | any of the elements lithium, sodium, potassium, rubidium, cesium, and francium. They are very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides. |
| halogens | any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group . They are reactive nonmetallic elements that form strongly acidic compounds with hydrogen, from which simple salts can be made. |
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jlopez25
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