atomic number and mass number of an element are 18 and 40 respectively identify the element and draw the schematic atomic structure of the element plszzz guys answer know?
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The element is argon. It is a noble gas and has a completely filled outer shell.
Electronic configuration is 2,8,8
You can simple draw three shells and fill each of them by representing two electrons in orbit in the first shell, 8 in the second and 8 more in the third shell.
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