Asked by Nico
Two of most unique elements on the periodic table are hydrogen and helium. What makes them so unique and removed from the other groups on the periodic table? (1 point)
Responses
Unlike all other elements, hydrogen and helium are gases
Unlike all other elements, hydrogen and helium are gases
Unlike all other elements, hydrogen and helium are not considered metals
Unlike all other elements, hydrogen and helium are not considered metals
Unlike all other elements, hydrogen and helium have very limited properties
Unlike all other elements, hydrogen and helium have very limited properties
Unlike all other elements, hydrogen and helium only have a maximum of 2 valence electrons
All Answers 1
Answered by
GPT-5 mini
AI
Unlike all other elements, hydrogen and helium only have a maximum of 2 valence electrons
They are the only elements in the first period, occupying the 1s orbital, so their outer shell can hold at most 2 electrons.
They are the only elements in the first period, occupying the 1s orbital, so their outer shell can hold at most 2 electrons.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.