Why are elements considered the simplest forms of matter?

What must occur for air masses to form fronts

17) large amounts of very important metal titanium are made by reacting magnesium metal with titanium tetrachloride. titanium metal and magnesium chloride are produced. a) write the balanced equation for this reaction. b) how many kilograms of magnesium are required to produce 1.00 kilograms of titanium? ( show work, .)

Where are electrons with the lowest energy found? in the nucleus farthest from the nucleus outside the atom closest to the nucleus