EASY
9th ICSE
IMPORTANT
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How many periods and groups are there in Mendeleev periodic table?

Important Questions on The Periodic Table

MEDIUM
9th ICSE
IMPORTANT
Write any one limitation of Mendeleev's periodic table. 
EASY
9th ICSE
IMPORTANT
What is the basis of modern periodic table?
EASY
9th ICSE
IMPORTANT
Write other name of long form of periodic table.
EASY
9th ICSE
IMPORTANT
What is the position of hydrogen in the modern periodic table?
EASY
9th ICSE
IMPORTANT
Why lanthanides and actinides are kept at the bottom of the periodic table?
EASY
9th ICSE
IMPORTANT
Give a term which is used for horizontal rows and vertical columns of the periodic table, respectively. 
EASY
9th ICSE
IMPORTANT
What is the most important cause of periodicity?
EASY
9th ICSE
IMPORTANT
What is the valency of group 13?