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That would have to be a shared honor. The group on the far right side of the Periodic Table are known as the Noble Gases, because they don't "mix" with the other elements. This is because their outer electron shells are full so they don't form bonds.
However, one of the Nobles, Xenon, can, under some pretty rigorous laboratory conditions, be made to compound with Fluorine, with is the most active element, so perhaps it's only "semi-noble."
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Which family is the most stable elements?
The noble gases (Group 18) are the most stable elements because they have a full outer electron shell, making them chemically inert and unlikely to form compounds with other elements.
Which nonmetals ae most chemically reactive?
The nonmetals that are most chemically reactive are fluorine, chlorine, and oxygen. These elements readily form bonds with other elements to achieve a stable electron configuration.
What is the element that has a high ionization energy and tends to be chemically inactive would most likely be?
Helium would be the element that fits this description. It has a high ionization energy, meaning it requires a lot of energy to remove an electron, and tends to be chemically inactive because its outer electron shell is full.
Which group of elements is the most chemically stable?
The Noble Gases Group are called 'noble' because they don't willingly react with anything. The Noble Gases are Group (or Family) 18, the column on the far right side of the periodic chart.
What nonmetals are most are chemically reactive?
Fluorine, oxygen, chlorine.
