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

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

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

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

#  Shortest period?
Answer: First period (Only two elements)

#  Longest period?
Answer: Sixth period (Contain 32 elements)

#  Man made elements are called?
Answer: Transuranics

#  Which is the first man made element?
Answer: Technetium

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

#  Modern periodic table based on?
Answer: Atomic number