Of the six noble gases in the periodic table, which is the lightest?

Related Mcqs:

1. The horizontal rows of the periodic table are called ______?

   A. Groups
   B. Periods
   C. Sets
   D. Matrices

   Submitted by: Danish Balani

2. What are Columns in Periodic table called?

   A. Period
   B. Group
   C. Verticals
   D. Perpendiculars

   Submitted by: Malik Asghar Hussain

3. What are rows in Periodic table called?

   A. Period
   B. Group
   C. Verticals
   D. Perpendiculars

   Submitted by: Malik Asghar Hussain

4. What is the first element in the periodic table?

   A. Hydrogen
   B. Helium
   C. Nitrogen
   D. Carbon

   Submitted by: Ashfaque Ali Khoso

5. Which are the only two elements on the periodic table that are liquid at room temperature?

   A. Mercury and Bromine
   B. Carbon and helium
   C. Nitrogen and Hydrogen
   D. Oxygen and Neon

   Submitted by: Ashfaque Ali Khoso

6. How many elements are in Modern periodic table?

   A. 112
   B. 118
   C. 114
   D. 116

   Submitted by: M.Muzammil

7. How many elements are in modern periodic table?

   A. 118
   B. 181
   C. 108
   D. 188

   Submitted by: M.Muzammil

8. Which of the following letter does not represent in periodic table?

   A. X
   B. K
   C. J
   D. N

   Submitted by: Munwar Ali Sohu

9. In whole Periodic Table which element Is Most Reducing Agent ?

   A. Chlorine
   B. lithium
   C. Helium
   D. Neon

   Submitted by: Ali Jan

10. How many coloumns in the modern Periodic Table?

    A. 17
    B. 18
    C. 19
    D. None of these.

    Submitted by: Nadar Ali Buriro