MEDIUM
9th ICSE
IMPORTANT
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How do alkali metals and alkaline earth metals differ from each other in respect to the formation of metallic ions?

Important Questions on The Periodic Table

EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 5 - The Periodic Table>CHECK POINT 04>Q 3
Arrange the halogens in increasing order of reactivity towards other group members. 
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 5 - The Periodic Table>CHECK POINT 04>Q 4
Why do noble gases have low melting and boiling point?
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 5 - The Periodic Table>CHECK POINT 04>Q 5
Noble gases occur in free state. Comment. 
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 5 - The Periodic Table>EXAM PRACTICE>Q 1
Dobereiner 's relationship referred to as the Law of _____.
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 5 - The Periodic Table>EXAM PRACTICE>Q 2
John Newlands in 1866, arranged the elements in the increasing order of their _____. (atomic mass / atomic number)
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 5 - The Periodic Table>EXAM PRACTICE>Q 2
John Newlands in 1866, arranged the elements in the increasing order of the _____ of the elements.
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 5 - The Periodic Table>EXAM PRACTICE>Q 2
John Newlands in 1866, arranged the elements in the increasing order of their _____.
EASY
9th ICSE
IMPORTANT
All In One ICSE Chemistry>Chapter 5 - The Periodic Table>EXAM PRACTICE>Q 3
Mendeleev arranged elements in horizontal rows and  _____.