States of Matter
A chemical reaction in which energy is released.
What is exothermic?
A column on the periodic table.
What is a group and/or family?
Two or more atoms bonded together.
What are molecules?
The numbers in front of molecules in a chemical equation.
What is a coefficients?
The outer most electrons on a Bohr diagram.
What is valence electron
In a chemical reaction, the molecules the the left of the arrow are called this.
What are reactants?