HomeEveryday Science MCQsOf the six noble gases in the periodic table, which is the lightest? 199. Of the six noble gases in the periodic table, which is the lightest?By Admin / September 17, 2025 A. Nitrogen B. Hydrogen C. Helium D. Oxygen ✅ The correct answer is option C.
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2. Which of the following planets have the longest day? Leave a Comment / Everyday Science MCQs / By Admin