General Knowledge Questions and answers related to Periodic Table for preparing all competitive examinations.

1. Who is the father of Periodic Table?
Answer: Dimithri Mendeleev

2. Number of horizontal rows in periodic table?
Answer: 7 periods.

3. Number of vertical columns in periodic table?
Answer: 18 (groups)

4. Shortest period?
Answer: First period (Only two elements)

5. Longest period?
Answer: Sixth period (Contain 32 elements)

6. Man made elements are called?
Answer: Transuranics

7. Which is the first man made element?
Answer: Technetium

8. Mendeleev’s periodic table based on?
Answer: Atomic weight

9. Modern periodic table based on?
Answer: Atomic number

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