Respuesta :

jorjoh411

Answer:

Erbium

Explanation:

With 68 protons we can infer that the atomic number of this element is 68, using a periodic table the element with 68 as its atomic number is Erbium.

BattleAngel99

Answer:
Erbium

Explanation:

The only element that I see that has 68 protons is Erbium. Erbium is a chemical element with the symbol Er and atomic number 68. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements.

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