What are the three things chloroplasts needs in order to complete photosynthesis?

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

How manyatoms of mercury are in 1.4214e+1 ml sample