Question : What is the atomic number of nitrogen in the science periodic table?

Option 1: 21

Option 2: 7

Option 3: 18

Option 4: 11

Question : ________ is the father of the modern periodic table.

Option 1: J. J. Thomson

Option 2: Ernest Rutherford

Option 3: John Newland

Option 4: Dmitri Mendeleev

Question : Which among the following is a noble chemical element of science's periodic table?

Option 1: Nitrogen

Option 2: Helium

Option 3: Scandium

Option 4: Cobalt

Question : __________is the heaviest naturally occurring element of the Periodic Table with an atomic weight of 238.

Option 1: Xenon

Option 2: Uranium

Option 3: Helium

Option 4: Mercury

Question : If p : q : r = 2 : 5 : 3 and r : s = 6 : 5, then what is the value of p : q : r : s?

Option 1: 4 : 12 : 7 : 3

Option 2: 4 : 10 : 6 : 5

Option 3: 6 : 5 : 8 : 10

Option 4: 8 : 12 : 7 : 8