Table of Periodic system

Format: Fill-in-the-blank (either element → symbol or symbol → element) Number of Questions: 15 (can adjust) Difficulty: Mix of very common elements and some trickier ones
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Aryan0204
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Last updated: February 4, 2026
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First submittedFebruary 4, 2026
Times taken9
Average score100.0%
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Hint
Answer
Hydrogen
H
Oxygen
O
Sodium
Na
Iron
Fe
Gold
Au
Carbon
C
Potassium
K
Mercury
Hg
Lead
Pb
Silver
Ag
Nitrogen
N
Chlorine
Cl
Uranium
U
Calcium
Ca
Phosphorus
P
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