Which amongst the following statement is true?

Ionisation energy increases down the group

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Metallic character increases down the group

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Atomic radius decreases down the group

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Electronegativity decreases down the group

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Solution

The correct option is D Electronegativity decreases down the group
Electronegativity is the ability of an element to gain an electron to become a negative ion. Electronegativity decreases down the group in a periodic table.

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Assertion: The metallic character increases as we go down the group.

Reason: Increase in size decreases the ionisation energy.

Q. The metallic character decreases down the group and increases along the period.

Q. Assertion :Electronegativity across a period increases and down the group decreases. Reason: As we move down the group, basic character increases while as we move across a period its acidic character increases

(i) Electropositive nature of the element(s) increases down the group and decreases across the period
(ii) Electronegativity of the element decreases down the group and increases across the period
(iii) Atomic size increases down the group and decreases across a period (left to right)
(iv) 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.

Which is the element with the smallest atomic size

Q. Question 48 (d)
(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 which is a metalloid.

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Which amongst the following statement is true?

The correct option is D Electronegativity decreases down the groupElectronegativity is the ability of an element to gain an electron to become a negative ion. Electronegativity decreases down the group in a periodic table.

The correct option is D Electronegativity decreases down the group
Electronegativity is the ability of an element to gain an electron to become a negative ion. Electronegativity decreases down the group in a periodic table.