Which of the following is not a property of water?
Hydrogen bonding causes a high surface tension.
Hydrogen bonds exist only in the solid state.
Water can dissolve ionic and polar molecules.
Water's solid state is less dense than its liquid state.

Which best describes why nh4+ can form an ionic bond with cl-?

An observation that requires measurement is called quantitative observable or qualitative

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!