atomic number 78

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Noun1.atomic number 78 - a heavy precious metallic elementatomic number 78 - a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
platinum, Pt
noble metal - any metal that is resistant to corrosion or oxidation
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Which element has the atomic number 78 and the chemical symbol Pt?
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