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How can elements that have few electrons (like hydrogen)have so many sprectral lines? That is, how could hydrogen with only one atom produce so many lines.
heat energy can be transferred by radiation, conduction and convection, true or false?
what if, after the electron goes through the double slit you would add a single slit in between the double slit and the receiving wall
can it possible for atom to free from electron
What is the energy of a photon whose frequency is 2.22 x 10^14 s^-1?
What is the frequency of a photon whose energy is 6.00 x 10^-15
What is the wavelength of the radiation whose frequency is 5.00 x 10^15 s^-1? In what region of the electromagnetic spectrum is this radiation?
a strong argument for practicle nature of cathode rays is,they
I was curious about a radioactive decay battery. My thought was to place an americium source from a smoke detector in a vacuum sealed borosilicate glass vessel. The Americium source would be "aimed" at a piece of Titanium 2 mm's away.
The vacuum sealed glass vessel would have 2 wires coming out of it. 1 wire would be attached to the Source. 1 would be attached to the Titanium.

As I understand it, the current of such a device would be in the nanoamp range (2 or 3). I was very curious what the voltage would be?

I understand that the answer would be approximite, but I was still curious. Would it be closer to 5 Volts? or 50,000 Volts?
Thank You, Paul
A radioactive nucleus has a half-life of 5x10^8 years. Assuming that a sample of rock solidified right after the solar system formed, approximately what fraction of the radioactive element should be left in the rock today?