Question | Answer |
Law of Conservation of Mass | Molecules can not be created or destroyed; they are only changed |
Physical change | Changes that affect the form of a substance |
Chemical Change | When two substances combine to form a new substances |
Chemical Formula | Information about the atoms that constitute a particular chemical compound |
Element(Diatomic)molecule | When two or more molecules combine chemically of only on type of element |
Compound molecule | When two or more atoms combine chemically that are made up of more than on type of element |
Chemical equation | short, hard form for writing what reactants are used and what products are formed in chemical R\reaction |
Chemical reaction | process that produces chemical changes resulting into a new substance and new features |
Reactants(In a chemical equation) | a substance in a chemical that goes through a chemical change |
Products(In a chemical reaction) | substance that results from a chemical change |
Coefficient(In a chemical reaction) | tells how much a certain substance is in the reaction |
Subscript(In a chemical equation) | tells you how many atoms of an element are in the equation |
Element | substance that can't be broken down into smaller pieces |