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B-3
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Term | Definition |
---|---|
molecule | is the smallest particle in a chemical element or compound |
chemical bond | attraction between atoms that allows the formation of chemical substances that contain two or more atoms. |
chemical formula | a way of expressing information about the proportions of atoms |
compound | a molecule made of atoms from different elements |
element | chemical element or element is a chemical substance consisting of atoms having the same number of protons in their atomic nuclei. |
chemical reaction | a process that leads to the transformation of one set of chemical substances to another. |
reactant | a substance that takes part in and undergoes change during a reaction. |
product | an article or substance that is manufactured or refined for sale. |
cross-link | a bond that links one polymer chain to another |
monomer | a molecule that may bind chemically to other molecules to form a polymer |
polymer | a large molecule, or macro molecule, composed of many repeated sub units. |
open system | a system in which the components and protocols conform to standards independent of a particular supplier. |
closed system | a physical system that doesn't exchange any matter with its surroundings |
Law of Conservation of Mass | that the atoms of an object cannot be created or destroyed |