Four elements P,Q, R and S have atomic numbers of 4, 10, 12 and 14 respectively . Which of these electrons is a noble gas? - SchoolNGR

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Four elements P,Q, R and S have atomic numbers of 4, 10, 12 and 14 respectively . Which ...

Four elements P,Q, R and S have atomic numbers of 4, 10, 12 and 14 respectively . Which of these electrons is a noble gas?

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A P
B Q
C R
D S

Correct Answer: Option B

Explanation:

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