Answer :
The group 18 on the periodic table are called the noble gases. That is option A.
What is a periodic table?
A periodic table is defined as the special table that is used in chemistry to classify elements in rows and columns with increase in atomic number.
There are a total of 18 groups in the periodic table of which the group 18 is known as the noble gases.
The noble gases are sometimes called inert gases because they have valence shells that fare filled up.
Learn more about elements here:
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A. Noble gases, notice all of the elements on that periotic table are elements only found in GAS form, unless frozen in high temps
