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:

Continuous decrease

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Continuous increase

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Periodic one, an increase followed by a decrease

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Periodic one, a decrease followed by an increase

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Solution

The correct option is B
Continuous increase

Atomic radii increase down the group.

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Similar questions

(a) What is a period in a periodic table? How do atomic structures (electron arrangements) change in a period with the increase in atomic numbers from left to right?

(b) How do the following change on going from left to right in a period of the periodic table?

(i) Chemical reactivity of elements (ii) Nature of oxides of elements

Give examples in support of your answer.

What happens to atomic radius on going from left to right in a period in a periodic table?

Q. What is the trend in atomic radius from left to right on the periodic table?

Q. Fill in the blanks in the following statements:

(a) The horizontal rows in a periodic table are called ...............
(b) In going across a period (right to left) in periodic table, the atomic size of the atom ...............
(c) On moving form right to left in the second period, the number of valency electrons ...............
(d) On going down in a group in the periodic table, the metallic character of elements ...............
(e) The tendency to gain an electron ............... on moving down in a group of the periodic table.

Q. What changes occur in the following on going from left to right in a period of the Periodic Table?
(i) Atomic size
(ii) Metallic character
(iii) Number of valence electrons

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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:

The correct option is B Continuous increaseAtomic radii increase down the group.

The correct option is B
Continuous increase

Atomic radii increase down the group.