Answer:
The symbol for an atom can be written to show its mass number at the top, and its atomic number at the bottom. To calculate the numbers of subatomic particles in an atom, use its atomic number and mass number: number of protons = atomic number. number of electrons = atomic number.
Answer:
the first one. a homogeneous mixture.
Explanation:
hope this helps :)
N2 (g) + O2 (g) = 2NO (g)
Decreasing the volume would cause the equilibrium to shift to the side with less moles on it. Because both sides have the same number of moles (2) there would be no change to the equilibrium.
Hope I helped!
