Home
Class 12
CHEMISTRY
In a period, the element with least atom...

In a period, the element with least atomic size is

A

alkali metal

B

halogen

C

inert gas

D

chalcogen

Text Solution

Verified by Experts

The correct Answer is:
B

In a period, atomic size generally decreases from left to right because nuclear charge Increases. Thus in a period halogens have least size.
Promotional Banner

Topper's Solved these Questions

  • MODEL SOLVED PAPER 2016

    ARIHANT PUBLICATION JHARKHAND|Exercise SECTION B CHEMISTRY|50 Videos
  • SOLVED PAPER 2018

    ARIHANT PUBLICATION JHARKHAND|Exercise SECTION II : CHEMISTRY|50 Videos

Similar Questions

Explore conceptually related problems

In each period, the element with least ionization energy belongs to :

(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 increase 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 electron with atomic number 3 to 9 (a) Name the most electropositive element among them (b) Name the most electronegative element (c) Name of the element with smallest atomic size (d) Name the element which is a metalloid (e) Name the element which shows maximum valency.

(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 element with smallest atomic size.

In the periodic table , the element with atomic number 38 belongs to ______

The atomic radii of the elements of second period are given below: (a) Arrange these elements in the decreasing order of their atomic radii (Keeping the element with the largest atomic radius first). (b) Are the elements now arranged in the pattern of a period in the periodic table? (c) Which elements have the largest and the smallest atoms? (d) From this data, infer how the atomic size (or atomic radius) of the elements changes as you go from left to right in a period?

in a period, the first element has the smallest size.

Which of these elements have smallest atomic size?

Which of these elements have smallest atomic size?