Advertisements
Advertisements
प्रश्न
How does electron affinity change when we move from left to right in a period in the periodic table?
विकल्प
Generally increases
Generally decreases
Remains unchanged
First increases and then decreases
Advertisements
उत्तर
Generally increases
APPEARS IN
संबंधित प्रश्न
Which one of the following is the least electronegative element?
The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively
The electronic configuration of the atom having maximum difference in first and second ionisation energies is
IE1 and IE2 of Mg are 179 and 348 kcal mol−1 respectively. The energy required for the reaction \[\ce{Mg -> Mg^2+ + 2e^-}\] is
What are isoelectronic ions? Give examples.
What is the effective nuclear charge?
Magnesium loses electrons successively to form Mg+, Mg2+ and Mg3+ ions. Which step will have the highest ionisation energy and why?
Explain the periodic trend of ionisation potential.
What is the screening effect?
Briefly give the basis for Pauling's scale of electronegativity.
