When an atom loses an electron, what does it become? a. a positive ion b. a neutral ion c. a negative ion d. a neutral atom

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

Which element would mostly likely have an electron affinity measuring closest to zero

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