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  1. First, when the electron jumps to a higher level, it doesn't emit a photon, it must absorb a photon. Electron orbital energy Ee is minimum (largest negative value) at level 1 and increases at higher levels. At an infinite distance...

    3 Answers · Science & Mathematics · 08/05/2010

  2. We do not know yet. A lot depends on what we find in terms of 'dark matter'. We think there is more mass in the universe than we can now account for, and that extra mass - that extra gravitational force - could be enough to tip the balance. But as things stand now, it...

    2 Answers · Science & Mathematics · 12/10/2009

  3. DECATUR - Have you ever dreamed of grabbing a bunch of helium balloons and floating off into the wild blue yonder? Well, John Ninomiya of San Diego had that dream - and he's made it a reality as...

    4 Answers · Science & Mathematics · 28/09/2006

  4. 1] Find the energy going from n=8 to n=1 2] Use E = h x freq = h c / wavelength to find wavelength shortest wavelength is max energy

    1 Answers · Science & Mathematics · 09/10/2017

  5. 1] Convert 18,000 kg to grams 2] convert that to moles 3] With no temperature or pressure specified it is not possible to give a volume. However, you could assume STP but that is pretty cold, so NTP [room temp = 20C and one atm] where...

    1 Answers · Science & Mathematics · 31/10/2013

  6. The K, L and M shell correspond to n=1, 2 and 3 respectively. So the energy of the K-shell: -13.6 eV / 1^2 = -13.6 eV L-shell: -13.6 eV / 2^2 = -3.40 eV M-shell: -13.6 eV / 3^2 = -1.51 eV

    1 Answers · Science & Mathematics · 13/01/2013

  7. A scientist would argue for supply; hydrogen is readily available from electrolysis of water... environmentalist would argue for clean emissions; hydrogen burns to water and therefore does not add to the...

    1 Answers · Science & Mathematics · 27/11/2012

  8. For protons (hydrogen nuclei), the Larmor frequency is 42.58 MHz/Tesla...

    1 Answers · Science & Mathematics · 05/07/2011

  9. 1. Energy levels for hydrogen atom are given by: E_n = -13.6/n^2 eV For...

    1 Answers · Science & Mathematics · 07/12/2008

  10. ...ok.. so the final energy level that the electron lands on is the series of hydrogen. when an electron falls to level 1 it is called the Lymen...

    2 Answers · Science & Mathematics · 17/06/2010

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