Hydrogen CAS1333‑74‑0 Niobium CAS7440‑03‑1 Thallium CAS7440‑28‑0 Helium CAS7440‑59‑7 Molybdenum CAS7439‑98‑7 Lead CAS7439‑92‑1 Lithium CAS7439‑93‑2 Technetium CAS7440‑26‑8 Bismuth CAS7440‑69‑9 Beryllium CAS7440‑41‑7 Ruthenium CAS7440‑18‑8 Polonium CAS7440‑08‑6
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