a core electron, is an electron that isn't a valance electron. That means any electron that is not on the outer shell of an atom
2 core electrons and 8 valence electrons are there in N3- ion.
Nitrogen is the element located in group 15, period 2. Thus, its electron configuration is 1s2 2s2 2p3. That means that 2 is its valence shell and 1 is its core shell. Therefore, nitrogen has 2 core electrons and 5 valence electrons.
The electron configuration of helium is: [Xe] 4f15d16s2.
The energy is higher.
The energy is higher.
The electron is an elementary particle. This means that it cannot be broken down further. Therefore, an electron does not have a "core".
Electron
2
You think probable to electron configuration.
This is a chemical element. You can find the how many electron in a single atom by using a periodic table.
Helium(He)
2 core electrons and 8 valence electrons are there in N3- ion.
Nitrogen is the element located in group 15, period 2. Thus, its electron configuration is 1s2 2s2 2p3. That means that 2 is its valence shell and 1 is its core shell. Therefore, nitrogen has 2 core electrons and 5 valence electrons.
The electron configuration and noble gas core for Li+ is that of He: Li+: (1s2, 2s0)
The electron configuration of helium is: [Xe] 4f15d16s2.
The energy is higher.
The energy is higher.