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Question
Mention similarity of properties of hydrogen with two properties of group 17 elements of long periodic table.
WBBSE
Class X
Physical Science
Periodic Table
02 Mark
2022
Answer
Hydrogen shares similarities with group 17 elements (halogens) in the following ways:
- Both hydrogen and halogens have valency one.
- Both hydrogen and halogens exist as diatomic molecules (H2, F2, Cl2, Br2) in their gaseous states.
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