Question 48 (b)
(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 most electronegative element.

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Solution

Electronegativity is the measure of an atom's ability to attract the shared pair of electrons to itself in a covalent bond. All the elements with atomic numbers 3 to 9 lie in the $2^{nd}$ period of the periodic table. Fluorine (F) with atomic number 9 is the most electronegative element among them.

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Q. Question 48 (a)
(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 most electropositive element among them

Question 48 (c)
(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 with smallest atomic size.

Q. Question 48(e)
(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 shows maximum valency.

(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 most electronegative element?

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Electronegativity is the measure of an atom's ability to attract the shared pair of electrons to itself in a covalent bond. All the elements with atomic numbers 3 to 9 lie in the 2nd period of the periodic table. Fluorine (F) with atomic number 9 is the most electronegative element among them.

Electronegativity is the measure of an atom's ability to attract the shared pair of electrons to itself in a covalent bond. All the elements with atomic numbers 3 to 9 lie in the $2^{nd}$ period of the periodic table. Fluorine (F) with atomic number 9 is the most electronegative element among them.