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Science
Term | Definition |
---|---|
Molecule | A group of atoms that represents a chemical compound that can take place in a chemical reaction. |
Chemical Bond | A force of attraction that hold atoms together. |
Chemical Formula | A chemical formula is a set of symbols that show what elements are present in the compound. |
Compound | A compound is a substance that is made up of two or more elements. |
Element | This is one of the squares on the periodic table that has its own chemical and physical properties. |
Chemical Reaction | A chemical reaction is a process that involves the rearrangement of the elements in a specific compound. |
Reactant | This is the substance in a compound that actually reacts during a chemical reaction. |
Product | This is a new substance formed during a chemical reaction. |
Open System | When mass is kept inside the system but energy can enter and leave freely. |
Closed System | This system can only exchange energy but not matter. |
Law of Conservation of Mass | When mass can not be created or destroyed when used in a reaction. |