Description

10 equations where the child fills in the correct coefficients. Use blanks before each formula: P1: '___H₂ + ___O₂ → ___H₂O' (2, 1, 2). P2: '___N₂ + ___H₂ → ___NH₃' (1, 3, 2). P3: '___Na + ___Cl₂ → ___NaCl' (2, 1, 2). P4: '___Fe + ___O₂ → ___Fe₂O₃' (4, 3, 2). P5: '___CH₄ + ___O₂ → ___CO₂ + ___H₂O' (

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