How is a sodium ion and a sodium atom differ in mass if at all?

What are four significant sources of ghgs that come from wostem washington?

Which characteristics can be used to differentiate star systems? check all that apply.

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?