Which is a property of acids in aqueous solutions?
they feel soapy.
they taste bitter.
they increase the concentration of h+ ions.
they decrease the concentration of h+ ions.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

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!

Who discovered a pattern to the elements in 1869?