Chemistry Final Flashcards
What is a reactant?
A substance that undergoes a reaction
What is a product?
A new substance formed when reactants undergo chemical change
What is a coefficient ?
A number placed in front of the parts of a chemical equation to indicate how many are involved.
What is a subscript?
Small numbers to the lower right of a symbol that represents the ratio of molecules of each substance involved in a chemical reaction.
What is a Atom?
The smallest particle of a given type of matter
What is a molecule?
And uncharged group of two or more Atoms held together by covalent bonds
What is synthesis?
Whenever two or more substances combined to form a single product
What is decomposition?
When a compound breaks down into two or more simpler substances
What is single displacement?
One element takes the place of another in a compound
What is double displacement?
The positive ions of two ionic compounds are interchanged
What is combustion?
A substance rapidly combines with oxygen to form one or more oxides.
