Homework Will Never End

If you have any test reviews, homeworks, guides, anything school related that you think can be posted on this website, reach out to me at makingschooleasier@gmail.com   1) Which element has the following configuration [Ar] 4s23d10?  a) P b) Zn c) Cl  d) Au 3) Which of the following exhibits the correct orders for both increasing atomic radius and increasing ionization energy, respectively? S, O, F and F, O, S F, O, S and S, O, F F, S, O and O, S, F S, F, O and S, F, O 6) How many atoms of hydrogen are contained in 1.0 mole of CH4? a) 6.02 x 1023 atoms b) 2.4 x 1024 atoms c) 3.01 x 1024 atoms  d) 4 atoms 7) What is the percent of iron by mass in a pure sample of Fe3O4? a) 72% b) 28 % c) 30%  d) 0.72 % 8) A compound is 56.8 % C, 6.56 % H, 8.28 % N and 28.4% O. What is the empirical formula of the compound? a) C8H11NO3 b) C4H11NO6  c) C5H5NO3  d) C4H5N2O3 9) Calculate the number of moles in 4.56 g o