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Problem: Write a general equation for the reaction of an alkali metal with a halogen.Express your answer as a chemical equation. Identify all of the phases in your answer. Use M and  X to represent alkali metal and halogen, respectively.

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alkali metal → ionic form is M+ (group 1A)

X → X2 (g) (elemental form) → ionic form is X- (group 7A)

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Problem Details

Write a general equation for the reaction of an alkali metal with a halogen.

Express your answer as a chemical equation. Identify all of the phases in your answer. Use M and  X to represent alkali metal and halogen, respectively.

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Based on our data, we think this problem is relevant for Professor Magilton's class at Northampton Community College.