the blue color of the sky results from the scattering of sunlight by air molecules the blue light has a frequency of about 7.5 x 10 ^ -14 HZ calculate the energy associated with this radiation

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

How many miles of water are produced if 5.43 mol pbo2 are consumed