A neutral atom has 2 electrons in its k shekl , 8 electrons in its L shell and 2 electrons in its M shel
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it is magnesium. don't mark it brainliest
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K shell can accommodate 2 electrons, L shell can accommodate 8 electrons adn we have been given that M shell has 2 electrons. So, the electronic configuration of this element becomes 2,8,2. Thus, the number of electrons in its atom is 2+8+2=12 which is magnesium
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