The properties which are common to both groups $1$ and $17$ elements in the periodic table are:

electropositive character increases down the groups.

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reactivity decreases from top to bottom in these groups.

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atomic radii increases as the atomic number increases.

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electronegativity decreases on moving down group.

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Solution

The correct options are
A electropositive character increases down the groups.
C atomic radii increases as the atomic number increases.
D electronegativity decreases on moving down group.
Statements (a), (c), and (d) are common to both groups $1$ and $17$ . Statement (b) is true only for group $17$ elements.

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Similar questions

(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.

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.

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The properties which are common to both groups 1 and 17 elements in the periodic table are:

The properties which are common to both groups $1$ and $17$ elements in the periodic table are: