3. Are the following statements regarding Dalton's atomic theory true or false? a. (True/False) All nitrogen atoms are identical. b. (True/False) Sodium and chlorine atoms combine in a 1:1 ratio to form sodium chloride (salt)

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.