The electron configuration for Helium (He) is shown below.
1s2
Which diagram shows the...
Chemistry, 05.10.2020 15:01, dtrammel91
The electron configuration for Helium (He) is shown below.
1s2
Which diagram shows the correct distribution of electrons in the electron shells of a helium atom?
A gray circle labeled 1 P 0 N is surrounded by a concentric circle with one gray dot at the north position.
A gray circle is labeled 5 P 6 N. It is surrounded by two concentric circles. The inner circle has gray dots at the north and south positions. The outer circle has three evenly spaced dots; none of these align with the dots in the inner circle.
A gray circle is labeled 2 P 2 N. A concentric circle surrounding it has two gray dots, at the north and south positions.
A gray circle is labeled 6 P 6 N is surrounded by two concentric circles. The inner circle has dots at the north and south positions; the outer circle has dots at the north, south, east, and west positions.
Answers: 3
Chemistry, 22.06.2019 23:00, tovarclaudia055
What does a numerical subscript following an element in a chemical formula mean?
Answers: 1
Chemistry, 23.06.2019 00:00, scottykinkade7860
Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
Answers: 1
Chemistry, 23.06.2019 05:00, kayranicole1
How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.
Answers: 1
Arts, 25.03.2021 06:10
English, 25.03.2021 06:10
Mathematics, 25.03.2021 06:10
Mathematics, 25.03.2021 06:10
History, 25.03.2021 06:10