Aalkaline earth metal is an element is groups 3-12 of the periodic table true or false?

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

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring