Atomic number of an element is 12
write its electronic configuratione
write its group number?
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The element with atomic number 12 is Magnesium. (a) 1s²2s²2p⁶3s² is the electronic configuration of Mg. (b) Mg is in IIA group .
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➡️ The element with atomic number 12 is Magnesium.
➡️ 1s²2s²2p⁶3s² is the electronic configuration of Mg.
➡️ Mg is in IIA group .
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