Determine the molarity of the solution that is prepared as follows: 32.80 g of sodium carbonate is dissolved in enough water to make 1150.0 mL of solution.​

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

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!