Q:

Which element has 27 electrons in an orbital diagram?

A:

Quick Answer

The element with 27 electrons in an orbital diagram is cobalt. Cobalt has 27 protons, so it has 27 electrons. The 22 different isotopes of cobalt each have a different number of neutrons, with atomic numbers ranging from 50 to 72.

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Full Answer

Cobalt is a brittle, light blue, lustrous metal that was discovered in 1735. In nature it is not found in its pure form. It is mined in the form of cobalt ores from various places in the world. Cobalt is a component of vitamin B12 and is necessary for the survival of many organisms. Radioactive forms of the element are used in the treatment of cancer.

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