What is the ion notation for an atom with 34 protons and 36 electrons?

1 Answer
anor277
Dec 19, 2015

Z = 34, therefore the atom is selenium.

Explanation:

While the number nuclear protons as given is 34, and therefore we deal with the element selenium, there are 2 more electrons than protons, and therefore this species has an overall 2- charge.

We represent this selenide ion as Se^(2-). Do I win 5 pounds?

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