Valence electrons — task. Science CBSE, Class 9 New.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Select the right option based on the assertion and reason:

Assertion (A): Argon does not react chemically with other elements.

Reason (R): Argon has 8 electrons in its outermost shell.

Both A and R are true, and R is the correct explanation of A
Both A and R are true, and R is not the correct explanation of A
A is true but R is false
A is false but R is true

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