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Which element has the largest atomic rad...

Which element has the largest atomic radius?

A

Br

B

K

C

Mg

D

Na

Text Solution

Verified by Experts

The correct Answer is:
B
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Na, Mg and Al are the elements of the 3rd period of the Modern Periodic Table having group number 1, 2 and 13 respectively. Which one of these elements has the largest atomic radius, Justify your answer stating the reason for each.

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Knowledge Check

  • The atomic numbers of the elements Na, Mg, K and Ca are 11,12,19 and 20 respectively. The element having the largest atomic radius is:

    A
    `Mg`
    B
    `Na`
    C
    `K`
    D
    `Ca`

  • Which atom has the largest atomic radius?

    A
    `S`
    B
    `CI`
    C
    `Se`
    D
    `Br`

  • Which among the following elements has the largest atomic radii ?

    A
    Na
    B
    Mg
    C
    K
    D
    Ca

    • Similar Questions

    Explore conceptually related problems

    Na, Mg and Al are the elements of the same period of Modern Periodic Table having one, two and three valence electrons respectively. Which of these elements (i) has the largest atomic radius, (ii) is least reactive? Justify your answer stating reason for each case.

    Which among the following elements has the largest\ atomic radii?

    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?

    Study the below given periodic table in which four elements are indicated by alphabets: A, B, C and D. Among 'C' and 'D' which element has larger atomic radius?

    Among the elements of the third period (Na to Ar), pick out the element with the largest atomic radius.

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