This element has more than 50 but less then 75 protons , and it is in group 17

Why is silver chloride is an ionic compound

Stage in which a star’s outer layers have started to cool and grow outward?

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.