When aqueous solutions of potassium carbonate and cobalt(ii) sulfate are combined, solid cobalt(ii) carbonate and a solution of potassium sulfate are formed. the net ionic equation for this reaction is:

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!