Which two elements are found in significant amounts (1% or more) in both the Universe and the human body?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Asap! will give brainiest when a heat wave strikes a region causing more people to run air-conditioning units, electrical demand increases. what needs to be done to meet this increased demand? raising the control rodslowering the control rodsremoving the control rods

Which statement describes james chadwick’s discovery.