Definitions
Compounds made of only two elements
What are binary compounds?
A chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
What is a combustion reaction?
A chemical reaction that absorbs energy from its surroundings
What is an endothermic reaction?
The energy stored in chemical bonds
What is chemical energy?
A chemical reaction in which two or more substances react to form a single compound
What is a synthesis reaction?
A chemical reaction that releases energy to its surroundings
What is an exothermic reaction?
A chemical reaction in which a compound breaks down into two or more simpler substances
What is a decomposition reaction?
A covalently bonded group of atoms that has a positive or negative charge and acts as a unit
What is a polyatomic ion?
A chemical reaction in which one element takes the place of another element in a compound
What is a single replacement reaction?
An amount of a substance that contains approximately 6.02 x 1023 particles (known as Avodagro's number) of the substance
What is a mole?