Transcription of Name Atoms are not or during a chemical reaction. Mg + O
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T. Trimpe 2006 Name _____ Atoms are not _____ or _____ during a chemical reaction. Scientists know that there must be the _____ number of Atoms on each _____ of the _____. To balance the chemical equation, you must add _____ in front of the chemical formulas in the equation. You cannot _____ or _____ subscripts! Mg + O2 MgO Try these: Ca + O2 CaO Ca = Ca = O = O = N2 + H2 NH3 N = N = H = H = Cu2O + C Cu + CO2 Cu = Cu = O = O = C = C = H2O2 H2O + O2 H = H = O = O = 1) Determine number of Atoms for each element.
To balance the chemical equation, you must add _____ in front of the chemical formulas in the equation. You cannot _____ or _____ subscripts! Mg + O 2 MgO Try these: Ca + O ... Balancing Act Practice Name _____ Balance each equation. Be sure to …
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