MEDIUM
11th ICSE
IMPORTANT
Earn 100

In a period of the periodic table, generally the size of an atom decreases with increase in atomic number but at the end of each period in noble gases, the atomic size increases abruptly. Explain.

Important Questions on Classification of Elements and Periodicity in Properties
MEDIUM
11th ICSE
IMPORTANT
Why is the first ionization energy of the transition elements reasonably constant?

MEDIUM
11th ICSE
IMPORTANT
What is the significance of the large increase in the third ionization energy of and fifth ionization energy of ?

MEDIUM
11th ICSE
IMPORTANT
The first ionization enthalpy of carbon atom is greater than that of boron whereas the reverse is true for the second ionization enthalpy. Explain.

MEDIUM
11th ICSE
IMPORTANT
Which of the following pairs of elements would you expect to have lower first ionization enthalpy? Explain.

MEDIUM
11th ICSE
IMPORTANT
Which of the following pairs of elements would you expect to have lower first ionization enthalpy? Explain.

MEDIUM
11th ICSE
IMPORTANT
Which of the following pairs of elements would you expect to have lower first ionization enthalpy? Explain.

MEDIUM
11th ICSE
IMPORTANT
Which of the following pairs of elements would you expect to have lower first ionization enthalpy? Explain.

MEDIUM
11th ICSE
IMPORTANT
Among the elements , Which would show the greatest difference in first and Second ionization enthalpies?
