Chemistryeasy · Past Paper
What is the lightest element in the universe?
AHelium
BHydrogen
CLithium
DOxygen
✓ Correct Answer: B — Hydrogen
Hydrogen is the first element in the periodic table and has the smallest atomic mass.
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✓ Correct Answer: B — Hydrogen
Hydrogen is the first element in the periodic table and has the smallest atomic mass.
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