which element has two shell both of which are completely filled with electrons?
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Neon has two shells and both the completely filled. The first one with 2 electrons amd the second one with 8 electrons.
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the element which has two shells both of which are completely filled with electrons is neon
it is a stable element
verifying
neon atomic number is 10
we can use 2n square
the first cell can be hold two electrons
2*1square = 2
the second shell can be hold up to 8
2×2square =2×4=8
therefore 2 + 8 equal to 10
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