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The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer