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20082ee2_1_Solution%201 - Home work#1 solutions I An atomic...

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Home work #1 solutions I. An atomic orbital is a mathematical function that describes the wave-like stationary motion for an electron in an atom. The orbital names (s, p, d, f, g, h,...) are derived from the characteristics of their spectroscopic lines: sharp, principal, diffuse and fundamental, the rest being named in alphabetical order. Due to the quantization of the isotropic space in atoms, the s, p, d, f correspond to azimuthal angular momentum quantum number l =0,1,2,3 respectively, each with a corresponding degeneracy of 2 l +1 without counting spin, and 2x(2l+1) counting spin. II. The eight columns of the periodic table are a result of the quantization of the isotropic space in atoms: two s orbitals and six p orbitals. The chemical properties of the atoms with the same number of electrons in these eight orbitals are quite similar, therefore giving this most prominent feature of the periodic table. III. Alkali metals refer to elements in the first column of periodic table with hydrogen excluded.
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