Atomic mass is the answer!!
Explanation: An elements atomic number won’t be able to change
The net ionic equation is shorter to use and already leaves out the electrons that transferred from the reducing agent to the oxidizing agent. Also, in some occasions the aqueous ions H+ and (or) OH- ions that help balance the net ionic charge are no longer shown in the net ionic equation.
Answer:
A
Explanation:
Because Rainwater can get acidic because of the carbonic acid that it contains