The characteristic of the last elements in the periods of a periodic table:

orbital completely

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zero electron affinity

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zero tendency in accepting electrons

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All of these

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Solution

The correct option is D All of these
In a period the last element will have completely filled configuration by filling up that orbital completely.Hence they are called noble gases or inert elements as they do not participate in the bonding formation.They are also called zero group elements as they have zero electron affinity that is zero tendency in accepting electrons as they already have stability.

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Similar questions

What is the main characteristic of the last elements in the periods of a periodic table ? What is the general name of such elements ?

(a) What is the main characteristic of the last elements in the periods of the periodic table? What is the general name of such elements?

(b) What is the number of elements in (a) 1st period, and (b) 3rd period, of the modern periodic table?

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 the periodic table, the atomic size of the atom .............

(d) When we 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.

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