Advertisements
Advertisements
Question
The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called ________.
Options
p-block elements
d-block elements
s-block elements
f-block elements
Advertisements
Solution
The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called f-block elements.
APPEARS IN
RELATED QUESTIONS
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
In a given shell the order of screening effect 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
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?
What is the effective nuclear charge?
By using Pauling's method calculate the ionic radii of K+ and Cl− ions in the potassium chloride crystal. Given that `"d"_("K"^+) - "Cl"^-` = 3.14 Å
Explain the following, give an appropriate reason.
First ionisation potential of the C-atom is greater than that of the B atom, whereas the reverse is true is for the second ionisation potential.
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?
