Advertisements
Advertisements
प्रश्न
The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively
पर्याय
Y > Z > X > A
Z > A > Y > X
X > Y > Z > A
X > Y > A > Z
उत्तर
Y > Z > X > A
APPEARS IN
संबंधित प्रश्न
Which one of the following is the least electronegative element?
The element with positive electron gain enthalpy is
The First ionisation potential of Na, Mg and Si are 496, 737 and 786 kJ mol-1 respectively. The ionisation potential of Al will be closer to
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.
Magnesium loses electrons successively to form Mg+, Mg2+ and Mg3+ ions. Which step will have the highest ionisation energy and why?
Explain the following, give an appropriate reason.
Ionisation potential of N is greater than that of O
Explain the following, give an appropriate reason.
The formation of \[\ce{F^-_{(g)}}\] from \[\ce{F_{(g)}}\] is exothermic while that of \[\ce{O^2-_{(g)}}\] from \[\ce{O_{(g)}}\] is endothermic.
What is the screening effect?
State the trends in the variation of electronegativity in groups and periods.
