Advertisements
Advertisements
प्रश्न
The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called ________.
विकल्प
p-block elements
d-block elements
s-block elements
f-block elements
Advertisements
उत्तर
The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called f-block elements.
APPEARS IN
संबंधित प्रश्न
Various successive ionisation enthalpies (in kJ mol-1) of an element are given below.
| IE1 | IE2 | IE3 | IE4 | IE5 |
| 577.5 | 1,810 | 2,750 | 11,580 | 14,820 |
The element is
The element with positive electron gain enthalpy is
The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively
Assertion: Helium has the highest value of ionisation energy among all the elements known
Reason: Helium has the highest value of electron affinity among all the elements known
The electronic configuration of the atom having maximum difference in first and second ionisation energies is
Which one of the following is true about metallic character when we move from left to right in a period and top to bottom in a group?
How does electron affinity change when we move from left to right in a period in the periodic table?
What are isoelectronic ions? Give examples.
Energy of an electron in the ground state of the hydrogen atom is −2.18 × 10−18 J. Calculate the ionisation enthalpy of atomic hydrogen in terms of kJ mol−1.
Explain the Pauling method for the determination of ionic radius.
