What element has a mass number of 55?

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What element has a mass number of 55?

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Answer 1 · 2018-03-18T05:41:07

Manganese

Explanation:

On the periodic table, manganese is element number #24#, and has an average atomic mass of #54.938 \ "amu"#, and we can round that off to #55 \ "amu"#.

So, I'd say that the element with a mass of #55 \ "amu"# is manganese #(Mn)#.

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What element has a mass number of 55?

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