WBCS.LIVE practice question

একটি Na⁺ (সোডিয়াম) আয়নে মোট কতগুলি ইলেকট্রন থাকে?

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

Answer options

  1. 11
  2. 12
  3. 1
  4. 10

Correct answer and explanation

Correct answer: 10