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The electronic configuration of an element is 1s22s22p6. How many valence electrons does it have?
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The electronic configuration of an element is 1s22s22p6. How many valence electrons does it have?

User Marvelous Ikechi
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Answer:

it has 7 valence electrons.

Step-by-step explanation:

User Ybart
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It has 8 valence electrons
User Modasser
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