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Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.
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Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
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What if it is did darwin used to support his theory of evolution
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If sodium (Na) is combined with Chlorine (CI), the compound would have which formula? A. Naci 0 O B....
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