WBCS.LIVE practice question

ল্যান্থানাইড মৌলগুলির মোট সংখ্যা কতটি?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 8
  2. 14
  3. 10
  4. 32

Correct answer and explanation

Correct answer: 14