Which of these elements has two valence electrons? hydrogen (h) barium (ba) nitrogen (n) krypton (kr) bromine (br)

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?

Adepositional also feature that forms where a stream enters a lake or an ocean is a