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Pretend that a new alkaline earth metal, with an atomic number of 120 is produced. It would initially be given the symbol Ubn (Un-Bi-Nilium, or 1-2-0-ium). If you could react this new atom with the already synthesized halogen, Uus (Ununseptium, 117), what would be the formula of the ionic compound that they would form?
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