What is the name of the element that has an atomic number of 8?

Which fact represents evidence for the big bang theory?

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved