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Science B-3 Vocab
Science B-3
Term | Definition |
---|---|
molecule | a group of atoms bonded together |
chemical bond | physical restraints used to hold someone or something together |
chemical formula | a set of chemical symbols showing the elements present in a compound and their relative proportions |
compound | a thing that is composed of two or more separate elements |
element | a part or aspect of something abstract, especially one that is essential or characteristic |
chemical reaction | a process that involves rearrangement of the molecular or ionic structure of a substance |
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 chemical bond between different chains of atoms in a polymer or other complex molecule |
monomer | a molecule that can be bonded to other identical molecules to form a polymer |
polymer | a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together |
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, but can be moved around and be changed into different particles |