The elements with Z = 117 and 120 have not yet been discovered. In which family/group would you place these elements. Also give the electronic configuration in each case.

Solution

(i) The electronic configuration of element with Z = 117 can be represented as
$open square brackets straight R subscript straight n close square brackets space 4 straight f to the power of 14 space 5 straight d to the power of 10 space 7 straight s squared space 7 straight p to the power of 5$
This element belongs to Group 17 (halogen family).
(ii) The electronic configuration of element with Z = 120 can be represented as
$open square brackets Uuo close square brackets 8 straight s squared$
This element belongs to Group 2 (alkaline earth metals).

Some More Questions From Classification of Elements and Periodicity in Properties Chapter

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Classification Of Elements And Periodicity In Properties

The elements with Z = 117 and 120 have not yet been discovered. In which family/group would you place these elements. Also give the electronic configuration in each case.

Some More Questions From Classification of Elements and Periodicity in Properties Chapter

How many elements are placed in each period of the p-block?

What is the number of groups in: (i) p-block (ii) d-block?

How many elements are present in:
(i) second period
(ii) fourth period
(iii) sixth period?

What is the name given to the s-block elements?

To which block the element with outer electronic configuration 4s²3d¹⁰ belongs?

Why are there 10 elements in each series of d-block?

In terms of electronic configuration,
what is common in a given period and group?

Give the general electronic configuration of
(i) Transition elements (ii) Inner transition elements.

Name the group and period to which an element with Z = 15 belongs ?

What are the advantages of periodic classification of elements?

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Classification Of Elements And Periodicity In Properties

The elements with Z = 117 and 120 have not yet been discovered. In which family/group would you place these elements. Also give the electronic configuration in each case.

Some More Questions From Classification of Elements and Periodicity in Properties Chapter

How many elements are placed in each period of the p-block?

What is the number of groups in: (i) p-block (ii) d-block?

How many elements are present in:(i) second period (ii) fourth period (iii) sixth period?

What is the name given to the s-block elements?

To which block the element with outer electronic configuration 4s23d10 belongs?

Why are there 10 elements in each series of d-block?

In terms of electronic configuration, what is common in a given period and group?

Give the general electronic configuration of(i) Transition elements (ii) Inner transition elements.

Name the group and period to which an element with Z = 15 belongs ?

What are the advantages of periodic classification of elements?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

How many elements are present in:
(i) second period
(ii) fourth period
(iii) sixth period?

To which block the element with outer electronic configuration 4s²3d¹⁰ belongs?

In terms of electronic configuration,
what is common in a given period and group?

Give the general electronic configuration of
(i) Transition elements (ii) Inner transition elements.