No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Na+
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Li+
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Be2+
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is DBe2+ Li and Be belongs to second period while Na belongs to third and K potassium belongs to fourth period. So Li and Be are smaller in size.
Among Li+ and Be2+; Be2+ is smaller in size due to high effective nuclear charge.