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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?
# Which is the first man made element?
# Mendeleev’s periodic table based on?
Answer: Atomic weight
# Modern periodic table based on?
Answer: Atomic number