Periodic Sprint ⚡PLAYNEET LABS
PS v1.0
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Trend Duel!

Two elements enter. One wins.
Master atomic radius, ionization energy,
electronegativity — with real data + NEET exceptions!

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60-Second Sprint
Answer as many duels as you can. Streak = bonus!
BEST0
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Accuracy Challenge
15 duels · 3 hearts · no timer pressure
BEST0
All comparisons use real scientific values.
Watch for ⚠ NEET exception alerts (Be>B, N>O)!
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