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Why is an elements atomic mass not listed as a whole number on the periodic table
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Which diagram shows the correct way to represent an ionic compound of magnesium oxide?
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Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
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Why is an elements atomic mass not listed as a whole number on the periodic table...
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