PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoWrite a long answer to the following questions in a few more sentences
(i) Electropositive nature of the elements(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.
(a). Name the most electropositive element among them.
(b). Name the most electronegative element.
(c). Name the element with smallest atomic size.
(d). Name the element which is a metalloid.
(e). Name the element which shows maximum valency.
(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.
(a). Name the most electropositive element among them.
(b). Name the most electronegative element.
(c). Name the element with smallest atomic size.
(d). Name the element which is a metalloid.
(e). Name the element which shows maximum valency.
(a) (3)
(b) (9)
(c) (9)
(d) (5)
(e) (6). Its valency is (4).
(b) (9)
(c) (9)
(d) (5)
(e) (6). Its valency is (4).
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