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If five elements have atomic numbers 2,3,6,9 which two numbers are the most reactive??​
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If five elements have atomic numbers 2,3,6,9 which two numbers are the most reactive??​

User Riesling
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element \: with \: 2 \: atomic \: number \\ \\ is \: stable \: because \: it \: has \: already \: \\ \\ completed \: its \: orbit \: \\ \\ but \: atomic \: number \: with \: 3 \: and \: 9 \\ \\ will \: have \: to \: become \: stable \: \\ \\ after \: giving \: one \: electron \\ \\ so \: \: element \: with \: 3 \: and \: 9 \: atomic \: number \\ \\ is \: most \: reactive

User Aviel Gross
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