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Byju's Answer

Standard XII

Chemistry

Chemical Reactivity

On going from...

Question

On going from right to left in a period in the periodic table the electronegativity of the elements

Increases

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Decreases

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Remain Unchanged

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Decreases first then increases

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Solution

The correct option is B
Decreases

Decrease as atomic size increases.

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Similar questions

Explain the following
(i) Electronegativity of elements increase on moving from left to right in the periodic table.

(ii) Ionisation enthalpy decreases in a group from top to bottom.

Q. On moving from left to right in a period of the periodic table, the atomic number of elements increases. What happens to the size of atoms of elements on moving from left to right in a period?

(a) increases
(b) decreases
(c) remain the same
(d) first increases then decreases

Parts (a) to (e) refer to changes in the properties of elements on moving from left to right across a period of Periodic Table. For each property, choose the correct answer.

(a) The non-metallic character of the elements :

(i) decreases, (ii) increases,

(iii) remains the same, (iv) depends on the period

(b) The electronegativity :

(i) depends on the number of valence electrons,

(ii) remains the same,

(iii) decreases,

(iv) increases.

(i) goes up and down (ii) decreases

(iii) increases (iv) remains the same

(d) The atomic size :

(i) decreases,

(ii) increases,

(iii) remains the same ,

(iv) sometimes increases and sometimes decreases.

(e) The electron affinity of the elements in groups 1 to 7 :

(i) goes up and then down.

(ii) decreases and then increases,

(iii) increases,

(iv) decreases.

Q. In the periodic table of the elements in a period from left to right atomic radius increases or decreases?

Q. Question 25
On moving from left to right in a period in the periodic table, the size of the atom.

(a) increases
(b) decreases
(c) does not change appreciably
(d) first decreases and then increases

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On going from right to left in a period in the periodic table the electronegativity of the elements

The correct option is B Decreases Decrease as atomic size increases.

The correct option is B
Decreases

Decrease as atomic size increases.