Question

Based on patterns in the periodic table, which ion has a stable valence electron configuration?

Answer 1

The ions of Noble gases, group VIII elements have a full octet configuration on their outermost shell and as such are highly stable.

The periodic table is a systematic arrangement of elements in order of their atomic numbers into a set of 8 columns each called groups and a set of 7 rows each called a period.

Elements are arranged in different groups according to the number of Valence electrons they have.

• For instance, elements in the group I of the periodic table are highly electropositive and as such are highly reactive.

The same is evident in group 7 elements are highly electronegative and have high electron affinity and as such are unstable and reactive.

• However, Noble gases, group VIII elements have a full octet configuration on their outermost shell and as such are highly stable.

Consequently, the Noble gases ion has a stable Valence electron configuration.

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