Explain the resemblance of hydrogen to the other members of its group.

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Solution

Hydrogen is the first element of the periodic table. Its atomic number is 1 with one electron. This electron is present in its first shell. Hydrogen resembles both alkali metals as well as halogens therefore its position is said to be anomalous. Properties of hydrogen resembling alkali metals-
1. Electronic configuration
2. Valency
3. Metallic character
4. Reducing agent
5. Combination with non metals.

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