Element X combines with oxygen to form an ionic compound: X2O and is a metal, to what group will X belong based on its charge. Could X be a transition metal? Why or why not?

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

This statement about matter and its behavior is best classified as a

How many moles are in .5g of sodium bromide?