What element is most likely to form an ion with the charge -2?

Answer 1

All the Group16 elements on the Periodic Table will tend to form an ion with a -2 charge. That's because all the Group 16 elements (oxygen, sulfur, selenium, tellerium and polonium are two electrons short of having a full valence shell. These atoms will try to borrow two electrons to fill their out shells, and will form -2 ions when they have been formed into ionic compounds and then dissociated into into ions.

Answer 2

The elements that form ions with a -1 charge are the ones that take or borrow an electron from another atom. These elements do this so that their valence shells will emulate those of inert gases. They (those elements) want to achieve an inert gas (or noble gas) electron configuration. And we know that the elements that lack a single electron to have an complete valence shell are the halogens. These elements are found in Group 17 of the periodic table of the elements, and they include fluorine, chlorine, bromine, iodine and astitine.

It is fluorine that is the most reactive element of this group, and the reactivity of these elements (the halogens, as we mentioned), decreases as we move down through the group.

Answer 3

Alkaline earths. It's also very common for transition metals to have a +2 common valence.

This appears to be part of a multiple choice question. If so, the answer is the choice that is an alkaline earth element. If none are, then it's probably whichever one is a transition metal.

Answer 4

None of them is likely to do so, all are forming +2 ions by loosing (not gaining) two electrons

Answer 5

The positive ions make the positive charge. The ions are positive.

Answer 6

Which element is most likely to form An ion with a negative 2 charge

Answer 7

Its Fluorine

Answer 8

Magnesium

Answer 9

C. Selenium