Neon is colorless gas that is not known to react any other substance. which other element is most likely to be nonreactive gas? A. F, number 9
B. Na, number 11
C. Xe, number 54
D. Cs, number 55

pls answer!

What is an example of a physical property?

What substance has a mass of 9.5g and volume of 2.1cm^3

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.