Multiple choice

How many gaseous elements are tpresent in periodic table?

  1. 12

  2. 14

  3. 11

  4. 13

  5. 10

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Eleven gaseous element in the periodic table: H2, N2, O2, F2, Cl2, He, Ne, Ar, Kr, Xe and Rn.