{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

bohr-qm-atom - suggested that electrons have both particle...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
THE “BOHR” MODEL OF THE   ATOM Niels Bohr (1885-1962), a Danish physicist, developed  the  quantum model  for the hydrogen atom.   He  proposed that the electrons in a hydrogen atom move  around the nucleus only in certain allowed circular  orbits (quantized orbits).  He calculated the radii for  these allowed orbits by using theories of classical  physics.  FIGURE 3 FIGURE 1 FIGURE 2
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
THE “WAVE MECHANICAL”   MODEL OF THE ATOM By the mid-1920’s it was apparent that the Bohr model  was incorrect.  Three young scientists, Louis Victor de  Broglie, Werner Heisenberg, and Werner Schrodinger, 
Image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: suggested that electrons have both particle and wave characteristics (such as photons of light). Mathematical analysis of this “quantum mechanical” model seemed to apply equally well to atoms other than just hydrogen – something Bohr’s model failed to do. In the Bohr model, the electron was assumed to move in circular orbits. In the wave mechanical model, on the other hand, the electron states are described by orbitals. Orbitals are nothing like orbits. FIGURE 4 FIGURE 5...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern