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Question
Give the electronic distribution in Magnesium atom and Magnesium ion. How do these electronic configurations differ?
Give the electronic distribution in Magnesium atom and Magnesium ion. How do these electronic configurations differ?
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Solution
The atomic number of magnesium is 12. It has a total of 12 electrons. Magnesium ion (Mg2+) ion is formed by losing two electrons from its outermost shell. Therefore, it will have only 10 electrons in it. Their electronic configuration can be given as,
Magnesium atom (Mg) 2 8 2
Magnesium ion (Mg 2+) 2 8
- Mg2+ ion has only two shells and its electronic configuration is similar to that of the noble gas element Neon (Ne) - Stable Octet configuration.
- Mg atom has three shells with 2 electrons in the outer shell i.e. M-shell.
The atomic number of magnesium is 12. It has a total of 12 electrons. Magnesium ion (Mg2+) ion is formed by losing two electrons from its outermost shell. Therefore, it will have only 10 electrons in it. Their electronic configuration can be given as,
Magnesium atom (Mg) 2 8 2
Magnesium ion (Mg 2+) 2 8
- Mg2+ ion has only two shells and its electronic configuration is similar to that of the noble gas element Neon (Ne) - Stable Octet configuration.
- Mg atom has three shells with 2 electrons in the outer shell i.e. M-shell.
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