Kerala SSLC Tamil AT Practice Questions - Kerala SSLC (Class 10) Tamil - Academic Text (AT) Examination (Kerala Pareeksha Bhavan SCERT Kerala) Exam

The electronic configuration of sodium (Z = 11) is:

2, 8, 1 2, 7, 2 2, 8, 2 2, 9

Correct Answer:

2, 8, 1

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