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Standard VIII

Chemistry

Formation of Ions in Metals

The atomic nu...

Question

The atomic number of chlorine is 17. Its electronic configuration is:

K, L, M
2, 10, 5

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K, L, M
2, 8, 7

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K, L, M
7, 8, 2

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K, L, M
5, 10, 2

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Solution

The correct option is B K, L, M
2, 8, 7
The atomic number of Chlorine(Cl) is 17 and the electronic configuration is; $2, 8, 7$ with seven electrons in the valence shell.

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The atomic number of chlorine is 17. Its electronic configuration is:

The correct option is B K, L, M2, 8, 7The atomic number of Chlorine(Cl) is 17 and the electronic configuration is; 2,8,7 with seven electrons in the valence shell.

The correct option is B K, L, M
2, 8, 7
The atomic number of Chlorine(Cl) is 17 and the electronic configuration is; $2, 8, 7$ with seven electrons in the valence shell.