The noble gases are unreactive and stable. Which of the following explains why this is true? They have 8 electrons in their outer shel

Question

The noble gases are unreactive and stable. Which of the following explains why this is true?
They have 8 electrons in their outer shell (except for Helium).
They exist on their own without other elements.
They have more electrons than other elements.
They each have no electrons.

EXPLAIN

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Vân Khánh 3 years 2021-08-15T20:33:00+00:00 1 Answers 12 views 0

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  1. thuthuy
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    2021-08-15T20:34:20+00:00
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    Answer:

    The answer is A. They have 8 electrons in their outer shell (except for Helium).

    Explanation: This is because of the number of valence electrons( the amount of electrons in their outer shell). For a reaction to take place, a transfer of electrons must take place. If their outer shell is already full, they don’t have any tendencies to react.

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