Elements in the same period have the same number of valence electrons. true or false

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Name the intersection of plane bpq and plane cpq.