This bingo card has 9 words: N₂, H₂, Cl₂, Br₂, O₃, O₂, H₂O, CO₂ and NaCl.
ĐƠN CHẤT - HỢP CHẤT | ĐƠN CHẤT, HỢP CHẤT | ĐƠN CHẤT - HỢP CHẤT | CAB | Chemical Formula BINGO!
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With players vying for a you'll have to call about __ items before someone wins. There's a __% chance that a lucky player would win after calling __ items.
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