Alkali metals react violently with water to form metal ions, hydroxide ions, and what substance?

What are the first three quantum numbers for the electrons located in subshell 2s?

Nonpoint source pollution is difficult to control because it

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space