What are the elements or compounds that enter into a chemical reaction?

1 Answer
Aug 27, 2017

#"The reactants.........."#

Explanation:

For #A+Brarr C+D#, #A# and #B# are the #"reactants"#, and #C# and #D# are the #"products"#. Given the particle nature of chemical reactivity, the MASS of #C# and #D# will be PRECISELY EQUAL to the MASS of #A# and #B#.