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Unit B-3 Vocabulary

TermDefinition
molecule a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
chemical bond a rearrangement of electrons in two atoms that generates a force, causing the atoms to be bound to each other, forming a molecule
chemical formula a representation of a substance using symbols for its constituent elements
compound a substance formed when two or more chemical elements are chemically bonded together
element a substance consisting of atoms which all have the same number of protons
chemical reaction a process that involves rearrangement of the molecular or ionic structure of a substance
reactant a substance participating in a chemical reaction, especially one present at the start of the reaction
product the substances that are formed during the chemical change
cross-link a bond that links one polymer chain to another. they can be covalent bonds or ionic bonds
monomer a molecule that can be bonded to other identical molecules to form a polymer
polymer a chemical compound that is made of small molecules that are arranged in a simple repeating structure to form a larger molecule
open system an area that is exposed to different unknown variables during an experiment
closed system a physical system that doesn't exchange any matter with its surroundings
Law of Conservation of Mass matter cannot be created or destroyed in a chemical or physical reaction
Created by: yoh50
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