Question : Hydrogen resembles the properties of which two groups of the periodic table?
Option 1: Group 2 and Group 17
Option 2: Group 1 and Group 3
Option 3: Group 1 and Group 17
Option 4: Group 2 and Group 4
Correct Answer: Group 1 and Group 17
Solution : The correct answer is Group 1 and Group 17.
The electrical configuration of hydrogen is 1s 1 .Like Group 17 elements, can take electrons from metals to complete its outer orbital. On the other hand, it can donate an electron to produce an H + ion, which is a property of Group 1 elements.
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