2. In the proper order, which choice gives the correct numbers that balance this equation?
F2(9) + _NaCl(aq) _NaFaq) + _C1219)
a. 1,1,1,1
b. 2,2,2,2
c. 1,2,2,1
d. 2,1,1,2

Two things that biomedical has invented or innovated

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

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.