1 overheads introduction and periodic trends

1 overheads introduction and periodic trends - 060 Atomic...

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Unformatted text preview: 060 Atomic and 060 Atomic and 2060 Atomic and 2060 Atomic and molecular structure of molecular structure of materials materials 40 nm 40 nm Now we begin troduction: building blocks Introduction: building blocks f all matter of all matter Atoms 1 st approximation: an electron is circling around the nucleus, like a solar system. Turns out this is not a bad approximation to first order Mostly made up of space. But it turns out that an electron is smeared out Jaffe, p6 over an orbital of specific shape and dimension. It is denser in some regions and less dense in others http://www.soes.soton.ac.uk/staff/pmrp/GY102/module5/m5.html Orbitals are not all spherical! Principal quantum number determines the horizontal rows on the periodic chart Combined with the angular quantum number (l) it determines the orbitals and shapes l = 0, 1, 2, 3 (s, p, d, f, ) Jaffe, p7 Magnetic quantum number restricts the number of each type of orbital. There is 1 s orbital 3 p 5 d 7 F rbitals Only two electrons per orbital...
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1 overheads introduction and periodic trends - 060 Atomic...

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