The main differences between a light wave and a radio wave is it's
A. Speed
B. Wavelength
C. Frequency
D. Both B and C

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.