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Classification of Elements · UPSC CDS/OTA · Question 33 of 60

Classification of Elements : The first period of the periodic table contains

Step-by-step solution. Classification of Elements for UPSC CDS/OTA.

Topic
Classification of Elements
Subject
General Studies
Difficulty
Easy
Solve Time
45-60 sec

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Q · Classification of Elements Easy · 45s

The first period of the periodic table contains:

TopicClassification of Elements
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

The complete worked solution.

Every step explained - no skipped algebra.

Only hydrogen and helium are present in the first period.

Final Answer: Option A - 2 elements
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The first period of the periodic table contains - Classification of Elements (General Studies) Solved Question