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chemistry
vocabulary:scientist
| Term | Definition |
|---|---|
| Atom | Smallest piece of matter that has the same properties of the element it is in. |
| Proton | A positive + subatomic particle in the atom's nucleus is the identity of the element and atomic number. |
| Electron | A negative subatomic particle spinning outside the nucleus of an atom tiny. |
| Neutron | A neutron subatomic particle in the atom's nucleus... has no charge and most of the mass. |
| Element | The simplest form of matter that contain only one type of atom. |
| Periodic Table of Elements | A chart that organizes all the elements by atomic number and properties. |
| Valence | The electron in the outer level of an atom that causes atom's to hold together. |
| Chemical Bond | An interaction that hold a atom's together. |
| Chemical Bonding | The joining of atoms to form new subtances |
| Ionic Bond | Is formed when electrons are transformed form one atom to anthem atom |
| Ion | Charged particle or atom tart sainted or lost electrons. |
| Crystals lattice | Repeat 3 dimensionless pattern that form when Ions bond. |
| Covant Bond | The type of bond that form when atoms share electrons stead of trans ferries them. |
| Metallic Bond | A special bond between metal Ions and the electrons that same around them. |
| Ductility | Metals can be stretch and darn into wires. |
| Malleability | Metals can be pounced into thin sheets. |
| Electrical Conductivity | Metal can conduct or can electricity through wires. |
| Thermal Conductivity | Metals can con |
| electron dot Diadram | An easy way to show the valence electrons in atom or chemical bond. |
| compound | A set of elements that are chemically bonded & changed into new substances into new substances Na-cl=saly |
| Chemical Formula | A shorthand way to use chemical symbols and number to represent a substance. (H20) |
| Chemical Equation | Uses symbols to show the relationship between the reactants and the products. C+o2->Co2 |
| Subscript | (H2O)- Small number to the right of the selectmen that shows how many atom there are of the element. |
| Coefficient | The lang number that multiplies atoms of the element 2c + 3na |
| Reaction | A substance or Moroccan that starts a chemical reaction. |
| Product | The substance that form as a result of a chemical reation |
| Law of conservation | starts that matter is hither created nor destroyed in a chemical reaction |
| Molecule | 2 or more atoms joined in a definite ratio keep phy & chem properties. |
| Diatomic Molecule | A molecule made of 2 atom of the same element - ( ex .2 oxygen atom) |
| Synthesis Reaction | When two or more substances combine to create one new compound. |
| Decomposition | A where a single compound breaks down to form 2 simper substances. |
| single displacement reaction | one element replaces another element in a compound leaving a new compound and 1 element. |
| double displacement reaction | the 2 metal ions in 2 compound switch places in a chemical reactions. |
| indicator | will change colors in the presence of an acid or a base. |
Created by:
javian
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