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Argon (Ar) is a stable gas with a very high ionization energy. Which statement explains why? A. It has a full outer shell of electrons. B. It has 18 protons in its nucleus. C. I…

Argon (Ar) is a stable gas with a very high ionization energy. Which statement explains why? A. It has a full outer shell of electrons. B. It has 18 protons in its nucleus. C. I…
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Argon (Ar) is a stable gas with a very high ionization energy. Which statement explains why? A. It has a full outer shell of electrons. B. It has 18 protons in its nucleus. C. It has 22 neutrons in its nucleus. D. It has two shells of electrons.

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User RobCroll
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Answer:

a

Step-by-step explanation:

answered
User Stanley
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The answer is A. Argon is a noble gas, which means that it is group 12 of the periodic table. It is stable because it has a full outer shell of electrons.
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User Pilavdzice
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