Which is/are true?
[mark all correct answers]
a. li has valence electrons in the n = 1...
Chemistry, 28.06.2019 22:40 kiramartin3
Which is/are true?
[mark all correct answers]
a. li has valence electrons in the n = 1 energy level.
b. si has valence electrons in the n = 3 energy level.
c. ga has valence electrons in the n = 3 energy level.
d. xe has valence electrons in the n = 5 energy level.
e. p has valence electrons in the n = 2 energy level.
Answers: 3
Chemistry, 21.06.2019 19:30
The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above
Answers: 2
Chemistry, 22.06.2019 12:30
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
Answers: 1
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