The way in which electrons are distributed among the various orbitals is called the electron configuration, Orbitals are filled in order of increasing energy, with no more than two electrons per orbital
Full :- 1s22s2 2p2
Abbreviated noble gas format:- [He]2s22p2
Ground: 1s2,2s2,2p2 Excited: 1s2,2s2,2p1,3s1
1s22s22p2
1s22s22p3
Ground state: 1s2 2s2 2p5Excited state: 1s2 2s2 2p4 3s1In the excited state, one of the 2p electrons jumped into a 3s orbital. This is unstable, and the electron will jump back down, releasing energy in the same amount of energy that was required to excite the electron initially.
None in the ground state atom, which has an electronic configuration of 1s2
Electronic configuration of hafnium: [Xe].4f14.5d2.6s2
Beryllium is located in group 2 of the periodic table and has a valency of two. It is an element in the 2nd period and has two main energy levels. Therefore the electron configuration is 1s2 2s2.
It is the electron configuration of a neutral, not excited atom.
ground state
The ground state electron configuration for sodium is 1s2 2s2 2p6 3s1
1s22s22p3
Ground state: 1s2 2s2 2p5Excited state: 1s2 2s2 2p4 3s1In the excited state, one of the 2p electrons jumped into a 3s orbital. This is unstable, and the electron will jump back down, releasing energy in the same amount of energy that was required to excite the electron initially.
It depends on the atom. For example, the electron configuration of an atom of boron in the ground state is 2-3. In the excited state, it would be 2-2-1. For an atom of chlorine, the ground state configuration is 2-8-7. The excited state would be 2-8-6-1. When an atom enters the excited state, an electron moves up to a higher energy level and releases energy. An electron in the excited state is not stable until it returns to ground state.
The symbol for sulfur is S. Its electron configuration is 1s22s22p63s23p4
Electron configuration of rubidium is 1s2, 2s2, 2p6, 3s2, 3p6, 3d10, 4s2,4p6, 5s1 Electrons per shell 2,8,18,8,1 Electron configuration is also represented by [Kr], 5s1. Atomic No. 37, It is Group 1 Alkali metals Period 5 It is an s-block element.
None in the ground state atom, which has an electronic configuration of 1s2
Electronic configuration of hafnium: [Xe].4f14.5d2.6s2
Br = 1s22s22p63s23p64s23d104p5 or shortened to [Ar] 4s23d104p5 and there are 35 electrons total.
[Xe] Normally the electronic configuration for Barium would be [Xe] 6s2, but since you want it for Ba2+, you're missing two electrons. You get rid of the 6s2 and get [Xe].