Chemistry, 20.07.2019 18:00 monica1670
Which statement correctly describes an atom of the element helium? a. an atom of helium has eight electrons in its outer energy b. an atom of helium most similarly behaves like an atom of hydrogen since it is in the same period. c. an atom of helium has a full outer energy level and is therefore unusually reactive. d. an atom of helium has its valence electrons in its first energy level.
Answers: 1
Chemistry, 21.06.2019 19:00, anonymous176
Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct
Answers: 3
Chemistry, 22.06.2019 11:00, 21villalobosjabez
Which type of fossil does this image depict?
Answers: 1
Which statement correctly describes an atom of the element helium? a. an atom of helium has eight...
Social Studies, 16.09.2021 14:00
Biology, 16.09.2021 14:00
English, 16.09.2021 14:00
Mathematics, 16.09.2021 14:00
Mathematics, 16.09.2021 14:00