Calculate the wavelength of a photon that has emitted a photon with the energy of 6.38 x10^-24 J. 1.27 x10^-48 m
3.46 x10^-19 m
3.12 x10^-2 m
3.21 x10^1 m

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

What type of electromagnetic radiation has a shorter wavelength than blue light

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.