subject
Chemistry, 01.04.2021 20:20 afifakiran5226

What is the electron configuration for helium (He)?
O1s
152
O 1s22s
O1s22s2


What is the electron configuration for helium (He)?
O1s
152
O 1s22s
O1s22s2

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 20:30
The first element on the periodic table of elements is carbon. a. true b. false
Answers: 2
question
Chemistry, 22.06.2019 00:30
This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
Answers: 2
question
Chemistry, 22.06.2019 06:00
How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar
Answers: 1
question
Chemistry, 22.06.2019 12:00
What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
Answers: 1
You know the right answer?
What is the electron configuration for helium (He)?
O1s
152
O 1s22s
O1s22s2...
Questions
question
Computers and Technology, 09.04.2021 15:50
question
English, 09.04.2021 15:50