Question | Answer |
Law of Conservation of Mass | Law that states mass is neither created or destroyed in orydinary chemical & physical change |
Physical Change | A type of change in which the form of matter is altered but one substance is not transformed. |
Chemical Change | A rearrabgenebt if the atoms of one or more subtanfces and a change in their chemical properties or composition, resulting in the formation of at least one new subtance. |
Element | One of a class of substances that cannot be separated into simpler subtances by chemical means |
Chemical Formula | A way of expressing information aboutr that atoms at constitue a particular chemical compound |
Element Molecule | A substance composed of atoms having an identical number of protons in each nucleus that cannot be reduced to simpler substances by normal chemical means. |
Compound Molecule | A pure chemical substance consisting of two or more different chemical elements |
Chemical Equation | A representation, using chemical symbols in a form resmbling a mathematical equation. |
Chemical Reaction | A process that leads to the transformation of one set of chemical substances to another. |
Reaction(In a Chemical Equation) | What happens in a chemical equation |
Product(In a Chemical Equation) | The outcome of a chemical reaction. |
Coefficient(In a Chemical Equation) | In 2C Coefficient = 2 |
Subscript(In a Chemical Equation | 1.character printed on lower level: a character that is printed on a level lower than the rest of the characters on the line, the 2 in H2O |
Diatomic | Having two atoms per molecule. (H^2) |