The elements helium, neon, and xenon are all part of the same on the periodic table. a. diagonal b. period c. row d. group

D. Group

Explanation:

Helium, Neon and Xenon are all located under the same column in the periodic table. Elements within the same column in the periodic table are said to be in the same group, because they share similar chemical property: this is due to the fact that they have the same number of valence electrons (number of electrons in the outest shell).

Helium, neon and xenon are said to be part of the 'noble gas group'. The main property of these elements is that they do not react with other elements, because they have the outest energy shell completely filled with electrons, so they do not give/accept electrons to other atoms to form chemical bonds.

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explanation:

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