Which of the following are products in the process of photosynthesis​

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1