5. a vitamin contains 1.5 x 10' grams of zinc. how many moles of zinc are in the vitamin?

How air particles exert a pressure on the inside of the balloon

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom