The correct order of decreasing atomic radii is

Li>Na>K>Rb>Cs

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Cs>Rb>K>Na>Li

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Na>Li>Rb>Cs>K

No worries! We‘ve got your back. Try BYJU‘S free classes today!

K>Cs>Rb>Li>Na

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $Cs>Rb>K>Na>Li$
Down the group, atomic radius increases. Therefore, the decreasing order of atomic radii of alkali metals would be:
$Cs>Rb>K>Na>Li$

Suggest Corrections

Similar questions

Which of the following is the correct order of decreasing atomic radius

Look at the atomic radii of some elements of second period and answer the questions:

Element	B	Be	O	N	Li	C
Atomic radii in pm	88	111	66	74	152	77

Arrange these elements in the decreasing order of their atomic radii.

B e, N a

M g

Join BYJU'S Learning Program