Book Online Demo
Check Your IQ
Courses
Class - 11 JEE CourseClass - 11 NEET CourseClass - 12 JEE CourseClass - 12 NEET CourseDropper JEE CourseDropper NEET CourseClass - 10 Foundation JEE CourseClass - 10 Foundation NEET CourseClass - 10 CBSE CourseClass - 9 Foundation JEE CourseClass -9 CBSE CourseClass - 8 CBSE CourseClass - 7 CBSE CourseClass - 6 CBSE Course
Q.
Want to Fund your own JEE / NEET / Foundation preparation ??
Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*
An Intiative by Sri Chaitanya
a
There is decrease in the radii of atoms or ion as one proceeds from La to Lu
b
Lanthanoid contraction is the accumulation of successive shrinkages
c
As a result of lanthanide contraction, the properties of the 4th series of the contraction element have no similarities with the 5d series of elements
d
Shielding power of 4f element of electron is quite weak
answer is C.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
Watch 3-min video & get full concept clarity
