What is the mass number of an atom with 5 proton and 7 neutrons

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

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