How to know the number of shells in a x element if the electronic configuration is given?
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How to know the number of shells in a x element if the electronic configuration is given?
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Answer:
You need to fill one shell, starting with shell number one, before filling another. The last shell does not have to be full of electrons. Find the number of electrons in the atom by using the periodic table. The number of electrons is equal to the atom's atomic number, which is at the top left of the element.