What is the most significant change in the comet's energy as it moves from point D to point A? (Assume that total mechanical energy is conserved.) A. KE decreases, GPE decreases
B. KE increases, GPE increases
C. KE increases, GPE decreases
D. KE decreases, GPE increases

How to solve 4 nh3(g) + 5 o2(g) > 4 no(g) + 6 h2o(g) in chemistry

Where are each of the three particles located within the atom?

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?