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

Related Mcqs:

1. The position of an element in the Periodic Table is determined by its __________ number?

   A. Electron
   B. Proton
   C. Neutron
   D. None of these

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

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

   Submitted by: Danish Balani

3. What are Columns in Periodic table called?

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

   Submitted by: Malik Asghar Hussain

4. What are rows in Periodic table called?

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

   Submitted by: Malik Asghar Hussain

5. How many rows and columns are in the modern Periodic Table?

   A. 18 columns and 7 rows
   B. 12 columns and 9 rows
   C. 7 columns and 18 rows
   D. 25 columns and 15 rows

   Submitted by: Malik Asghar Hussain

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

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

   Submitted by: Ashfaque Ali Khoso

7. 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

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

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

   Submitted by: Ali Jan

9. How many rows in the modern Periodic Table?

   A. 5
   B. 6
   C. 7
   D. None of these.

   Submitted by: Nadar Ali Buriro

10. How many coloumns in the modern Periodic Table?

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

    Submitted by: Nadar Ali Buriro