A sample of metallic element X, weighing 4.315g, combines with 0.4810 L of Cl2 gas to form the metal chloride with the formula XCl (1 to 1 ratio). The density of Cl2 gas under these conditions is 2.948 g/L. The atomic weight of chlorine is 35.453 amu. What is the identity of X? Enter your answer in symbol form.
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