Module 5 Flashcards
Binary compounds
Compounds made of only two elements
Polyatomic ion
A covalently bonded group of atoms that has a positive or negative charge and acts as a unit
Synthesis reaction
A chemical reaction in which two or more substances react to form a single
Decomposition reaction
A chemical reaction in which a compound breaks down into two or more simpler substances
Single replacement reaction
A chemical reaction in which one element takes the place of another element in a compound
Double replacement reaction
A chemical reaction in which two compounds exchange positive ions and form new compounds
Combustion reaction
A chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
Chemical energy
The energy stored in chemical bonds
Mole
An amount of a substance that contains approximately 6.02 x 1023 particles (known as Avogadro’s number) of the substance
Exothermic reaction
A chemical reaction that releases energy to its surroundings
Endothermic reaction
A chemical reaction that absorbs energy from its surroundings
