Chemistry, 13.07.2019 07:40 alazhamason
Astudent explained to the class that helium has 8 valence electrons because it is in group 18. is the student correct? - the student is incorrect because helium has 2 valence electrons and it's in group 18 because the first energy level is full. - the student is correct because all elements in group 8 have a full outer energy shell. -the student is correct because all elements in group 18 have 8 valence electrons. -the student is incorrect because all noble gases have 2 valence electrons.
Answers: 1
Chemistry, 22.06.2019 09:30
What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.
Answers: 2
Chemistry, 22.06.2019 10:30
Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
Answers: 1
Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
Chemistry, 22.06.2019 15:30
How does a large body of water, such as the ocean, influence climate?
Answers: 1
Astudent explained to the class that helium has 8 valence electrons because it is in group 18. is th...
Computers and Technology, 09.04.2020 23:38
Mathematics, 09.04.2020 23:38
Mathematics, 09.04.2020 23:38
Mathematics, 09.04.2020 23:38
Social Studies, 09.04.2020 23:38
English, 09.04.2020 23:38
History, 09.04.2020 23:38
History, 09.04.2020 23:38
English, 09.04.2020 23:38
Mathematics, 09.04.2020 23:38