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The position of an element on the periodic table helps scientist predict the
number of electrons an atom will gain or lose during ion formation.
According to the Periodic Table of Elements, which element is most likely to
gain two electrons when it forms an ion?

Respuesta :

First, we need to look at which elements gain two electrons to form an ion. These are the ones in the 16th group. The most reactive non-metals (aka most likely to for ions) are closer to the top of the periodic table as they have less shells. Therefore, the answer to your question is oxygen
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The atom that will likely gain two electrons to form an ion must be an element of group 16. The element may be; oxygen, sulfur, selenium, tellurium or polonium.

The number of electrons that an atom can loose/gain depends on the number of electrons in its outermost shell.

The elements of group 16 has six electrons on their outermost shell meaning that two more electrons are required for the atom to achieve a stable octet.

The elements; oxygen, sulfur, selenium, tellurium or polonium can gain two electrons to form a divalent negative ion.

Learn more; https://brainly.com/question/14283892

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