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प्रश्न
Fill in the blanks from the words A to F given below’.
A: Decreases
B: Increases
C: Remains same
D: Increases by one
E: Electropositive
F: Electronegative
Across a period from left to right in the Modern Periodic Table.
No. of electron shells _________; No. of valence electrons __________: Electronegativity increases Character of elements changes from electropositive to ________.
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उत्तर
Across a period from left to right in the Modern Periodic Table.
No. of electron shells remains same; No. of valence electrons increases by one; Electronegativity increases Character of elements changes from electropositive to electronegative.
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संबंधित प्रश्न
Which element has the electronic configuration 2, 8, 2?
Fill in the blank in the following statement:
On going down in a group in the periodic table, the metallic character of elements ...............
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Give example in support of your answer.
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(a) O, F, N
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Which of these have physical and chemical properties resembling chlorine.
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| Li | Be | B | C | O | F | Ne |
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