Question | Answer |
Law of Conservation of Mass | The fundamental principle that matter cannot be created nor destroyed |
Physical Change | Reversible change in the physical properties of a substance, such as size and shape |
Chemical Change | An irreversible chemical reaction that |
Element | a component or constituent of a whole or one of the parts into which a whole may be resolved by analysis: |
Chemical Formula | a representation of a substance using symbols for its constituent elements |
Element (Diatomic) Molecule | A molecule with 2 of the same type of element |
Compound Molecule | A molecule with two or more different types of elements |
Chemical Equation | a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product |
Chemical Reaction | When to or more elements react to each other |
Reactants | The elements on the left side of a chemical equation |
Products | The molecules in the right side of an equation |
Coefficients | Determines how many molecules exist. |
Subscript | Determines how many atoms of that element exist |
Ionic Compound | Compound molecule consisting of at least 1 metal and nonmetal pair |
Covalent compound | Compound molecule consisting of two or more nonmetals, and no metals |
Metallic Compound | Compound molecule consisting of two or more metals, and no nonmetals |
Sysnthesis | The combining of elements of separate materials into a single or unified entity |
Decomposition | The breaking down (decaying) of particles to return nutrients back into the earth |
Single Replacement | When an ion or element moves from one compound to another |
Double Replacement | a chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions |