Multiple choice

Which one of the following statements is not valid for all noble gases?

  1. They have general electronic configuration ns2np6.

  2. They are monatomic gases.

  3. They have positive electron gain enthalpy.

  4. They are colourless, odourless and tasteless.

  5. They belong to group 18 of the periodic table.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

All noble gases have general electronic configuration ns2np6, except helium which has 1s2.

Keep practicing — related questions