Chemistry-9-Periodic Table

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1.
Which of the following are the most and the least electronegative elements in the periodic table?
2.
Which of the following does not increase when we move from left to right along a period in the periodic table?
3.
Which among the following elements are generally find in free state?
4.
Identify the Noble Gas from the following options:
5.
Which of the following elements is the most electronegative?
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