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I'm not an expert teacher or lecturer of chemistry. I was only a student from SMA NEGERI 15 SURABAYA who had been one of the Bronze Medalist Participants of Olimpiade Sains Nasional X (2011) of Chemistry In Manado, North Sulawesi, 11 - 16 September 2011 and graduated in 2012. Now, I'm studying at Universitas Airlangga in Surabaya, Indonesia. I do love chemistry and I would like to help them who had difficulties in studying chemistry. That's why, please understand me if you found some misconcepts in my entries. Suggestions are always necessary in order to develop this blog. And I'm sorry because my English isn't so well.

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The Documents

Sunday, December 18, 2011

Atomic Theory and Electron Configuration Problems

It is known that the position of electrons in an atom are determined by four quantum numbers. There are: n, l, m (ml), and s (ms). Imagine if in this universe that the quantum number of magnetic spin, s, has the value of , 0, and . Assume that the other quantum numbers have the values that we all now know and still we use Pauli Exclusion, determine:

1. The new configuration electron of Phosphorous.
2. The atomic number with the full-filled electrons in shell of n = 3.
3. Total of unoccupied electrons in Aluminium.

Final Test of Pelatnas I IChO 2011

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