Molecules of a gas move fast and are close together move fast and are far apart move slowly and are close together move slowly and are far apart

What elements have 2 electrons inthe 4s sublevel

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.