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How many neutrons does cobalt have?

A:

Quick Answer

Cobalt contains exactly 32 neutrons. The element has an atomic number of 27 and an atomic symbol of Co. Cobalt's atomic mass is 58.9332 atomic mass units, or amu, notes Chemical Elements.

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Full Answer

To determine the number of neutrons an element has, a person must know the element's atomic mass and the element's atomic number. The atomic mass of an element is equal to its protons plus its neutrons. The atomic number of an element is equal to the number of protons the element has. Thus, to calculate the number of neutrons an element has, simply subtract the atomic number from the rounded atomic weight of the element.

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