MEDIUM
11th CBSE
IMPORTANT
Earn 100

Justify the given statement with suitable examples— “The properties of the elements are a periodic function of their atomic numbers”.
Important Questions on Classification of Elements and Periodicity in Properties
MEDIUM
11th CBSE
IMPORTANT
Write down the outermost electronic configuration of alkali metals. How will you justify their placement in group of the periodic table?

MEDIUM
11th CBSE
IMPORTANT
Write the drawbacks in Mendeleev’s periodic table that led to its modification.

MEDIUM
11th CBSE
IMPORTANT
In what manner is the long form of the periodic table better than Mendeleev’s periodic table? Explain with examples.

MEDIUM
11th CBSE
IMPORTANT
Discuss and compare the trend in ionisation enthalpy of the elements of group with those of group elements.
