19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
An element with atomic number 112 has been made recently. It should be (Haryana PMT 2008)
Element with atomic number 38, belongs to (MP PMT 2008)
Which two elements in the Periodic Table would you expect to combine in the most violent fashion? (Kerala CEE 2008)
Diagonal relationship is not shown by (BHU 2008)
Increase in atomic size down the group is due to (JCECE 2008)
Which one of the following ions has the highest value of ionic radius? (DUMET 2008) (a) O (b) B
Which of these have no unit?
Which of the following is the second most electronegative element?
The outermost electronic configuration of the most electronegative element is
Which of the following isoelectronic ions has the lowest ionization energy?
The correct order of second ionization potential of C, N, O and F is
The ionization energy will be maximum for
A neutral atom will have the lowest ionization potential when electronic configuration is
The highest first ionization potential is of
Ionization potential for a noble gas is
Ionisation energy decreases down the group due to
Which of the following has the lowest ionization energy?
The element with the lowest ionization potential is
The correct order in which the first ionization potential increases is
Which of the following has the highest ionization energy?
The correct order of first ionization potential is
Which one of the following order is correct for the first ionization energies of the elements?
The correct order of ionization energy of C, N, O, F is
Which of the following has the highest ionization enthalpy?
The bond enthalpy is the highest for