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M is a metal above hydrogen in the activ...

M is a metal above hydrogen in the activity series and its oxide has the formula `M_(2)O`. This oxide when dissolved in water forms the corresponding hydroxide which is a good conductor of electricity. In the above context answer the following:
How many electrons are there in the outermost shell of M

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One electron is there in the outermost shell.
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ICSE-CHEMISTRY 2014-SECTION-II
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