30 points plz 1. how many atoms are there in a periodic table? pick (any) one atom and tell me the # of proton there?

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

+15-35=-20

going in opposite directions