Reactants Flashcards
1
Q
Physical change
A
Identity and composition does not change. The state of it can tho
2
Q
Chemical change
A
Atoms in reactants are rearranged to form new or different substances
3
Q
Coefficient
A
Tells us how many of the atom/compound there are in a balanced reaction
4
Q
What do the symbols (s) (l) (g) represent
A
Solid
Liquid
Gas
5
Q
What does (aq) represent
A
Aqueous solution
6
Q
Why must a chemical equation be balance
A
Because in a reaction you cannot gain or lose atoms