WBCS.LIVE practice question

The atomic numbers of the four basic elements of a period are 11, 13, 16 and 17. In the modern periodic table, atomic number of the most metallic element of these will be ____________.

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

Answer options

  1. 9
  2. 13
  3. 32
  4. 11

Correct answer and explanation

Correct answer: 11