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Scinece Vocab 10/3/1
Vocab
Question | Answer |
---|---|
Coefficient | a number that is constant for a given substance, body, or process under certain specified conditions, serving as a measure of one of its properties |
Subscript | Also called subfix. any character, number, or symbol written next to and slightly below another. |
Products | a substance obtained from another substance through chemical change |
Reactants | any substance that undergoes a chemical change in a given reaction. |
Chemical Equation | the symbolic representation of a chemical reaction where the reactant entities are given on the left hand side and the product entities on the right hand side |
Compound Molecule | a molecule that contains at least two different elements. |
Element | one of a class of substances that cannot be separated into simpler substances by chemical means |
Chemical Formulas | formula: a representation of a substance using symbols for its constituent elements |
Element(diatomic)Molecule | molecules composed only of two atoms, of either the same or different chemical elements. |
Chemical reaction | A process that involves rearrangement of the molecular or ionic structure of a substance |
Physical change | phase change: a change from one state (solid or liquid or gas) to another without a change in chemical composition. |
Law of Conservation of Mass | conservation of mass: a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system |