Question : What is the total number of periods and groups in the Modern Periodic Table?

Option 1: Period:9 Group:7

Option 2: Period:18 Group:7

Option 3: Period:7 Group:9

Option 4: Period:7 Group:18

Question : What is the atomic number of Carbon as per Mendeleev's Periodic Table?

Option 1: 3

Option 2: 6

Option 3: 1

Option 4: 10

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 : What chemical element does ' N ' stand for in the periodic table?

Option 1: Neptunium

Option 2: Nitrogen

Option 3: Neon

Option 4: Neodymium

Question : What is the value of $\frac{72}{22} \times \frac{11}{3} \div \frac{21}{9}$ of $\frac{18}{7} ?$

Option 1: 6

Option 2: 36

Option 3: 8

Option 4: 2