Silver.
When silver is polished, this coating of silver
sulfide can be removed from the surface. This
makes the silver shiny again.
Enter the coefficients that balance the tarnishing
reaction equation. (Type 1 for no coefficient.)
O Ag(s) + OH2S(g) → OAg2S(s) + OH2(9)
DONE

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

How many moles of bromine are needed to produce 3.23 moles of potassium bromide