This bingo card has a free space and 24 words: HSO3, HSO4, HCO3, NO2, NO3, CN, OH, MnO4, ClO, ClO2, ClO3, ClO4, HPO4, C2O4, SO3, SO4, CO3, CrO4, Cr2O7, SiO3, PO3, PO4, NH4 and C2H3O2.
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Learn how to conduct a bingo game.
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.
Tip: If you want your game to last longer (on average), add more unique words/images to it.