The emission of gamma rays does not involve:
photoelectrons
x-rays
spectral lines
the electron structures of atoms

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?