What happens when an electric current is passed through the gas or vapor of an element?

How will the emission of an alpha particle affect the atomic number of an atom

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next

What is the mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?