Elements found on the left side of the periodic table contain outer shells that are ; these elements tend to form in solution.

These elements contain outer shells that are almost empty and they tend to form cations in the solution.

Explanation:

The elements which are found on the left side of the periodic table are considered as metals and as we go down the group the number of outer shells increases and only 1 electron is filled in the outer shell and hence, the outer shells remain almost empty.

Metals become stable by loosing electrons and as they loose electrons, they form cations because protons increase in number.

Hence, Elements found on the left side of the periodic table contain outer shells that are almost empty. These elements tend to form cations in solution.

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