Name this acid compound: H2S

There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23

1) this is the structure in the cell nucleus that houses a cell's genetic information

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?