Ongoing down the main sub-group in the periodic table (example $L i$ to $C s$ in IA or $B e$ to $R a$ in IIA), the expected trend of changes in atomic radius is a:

continuous increase

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

continuous decrease

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

periodic one, an increase followed be a decrease

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

a decrease following is the smallest in size

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

Open in App

Solution

The correct option is A continuous increase
On going down a group atomic radii continuously increases as every new $e^{-}$ is filled in the new orbit, that means as we are moving from one element to the next in a group, a new orbit is added and thus the size increases.

Suggest Corrections

Similar questions

On going down a main subgroup in the periodic table ( example Li to Cs in IA or Be to Ba in II A) the expected trend of change in atomic radius is a:

(i) Electropositive nature of the element(s) increases down the group and decreases across the period
(ii) Electronegativity of the element decreases down the group and increases across the period
(iii) Atomic size increases down the group and decreases across a period (left to right)
(iv) Metallic character increases down the group and decreases across a period.
On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9.

Which is the element with the smallest atomic size

Q. Question 48 (b)
(a) Electropositive nature of the element(s) increases down the group and decreases across the period
(b) Electronegativity of the element decreases down the group and increases across the period
(c) Atomic size increases down the group and decreases across a period (left to right)
(d) Metallic character increases down the group and decreases across a period.
On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9.

Name the most electronegative element.

Join BYJU'S Learning Program

Ongoing down the main sub-group in the periodic table (example Li to Cs in IA or Be to Ra in IIA), the expected trend of changes in atomic radius is a:

The correct option is A continuous increaseOn going down a group atomic radii continuously increases as every new e− is filled in the new orbit, that means as we are moving from one element to the next in a group, a new orbit is added and thus the size increases.

Ongoing down the main sub-group in the periodic table (example $L i$ to $C s$ in IA or $B e$ to $R a$ in IIA), the expected trend of changes in atomic radius is a:

The correct option is A continuous increase
On going down a group atomic radii continuously increases as every new $e^{-}$ is filled in the new orbit, that means as we are moving from one element to the next in a group, a new orbit is added and thus the size increases.