Element j has 27 protons and 86 neutrons. element l has 27 protons and 83 neutrons. what are j and l

Cobalt

Explanation:

The number of protons in an atom is called the atomic number.

Atomic number of an element is used by chemists to determine the element. The periodic table for example is based on the atomic number of elements.

Since both given elements have a proton number of 27, they are both the same element.

We simply check the periodic table for the element whose atomic number corresponds to this.

  The element here is Cobalt.

What differs between the two of them is that they are different isotopes.

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