For a particular energy level, removing an electron from the subshell would require a higher first ionization energy.

What is true for a substance that releases energy

You dissolve 8.65 grams of lead(l) nitrate in water and then you add 2 50 grams of aluminum. this reaction occurs 2ai(s)+ 3pb(no3)2(aq) -3pb(s)+ 2aino3la(aq) the theoretical yield of solid lead?

0.070g of hydride of carbon occupies 56cm^3 at s.t.p when vaporized and contained 14.29% by mass of hydrogen.what is the formula for the hydrocarbon