Aluminium has an electronic configuration of
1s2
2s2 2p6
3s2 2p1
Which is also written as [Ne] 3s2 3p1
therefore it has two full electron levels , 1 and 2.
Only three electrons.
Technetium has five electron shells.
Neon is in period 2, so it has two main levels.
Astatine has multiple energy levels, but the exact number depends on the context in which you are referring to them. In an atom, astatine can have multiple electron energy levels based on its electron configuration. In a nuclear context, astatine isotopes may have different energy levels related to their nuclear structure and decay modes.
The electron configuration of sodium is 1s2 2s2 2p6 3s1. It has three principal energy levels. It has only one valence electron.
there is 2 full electron levels in sodium!!
Sulfur has three full electron levels.
This is a chemical element. You can find the how many electron in a single atom by using a periodic table.
Aluminium Al: 13 2.8.3 So three energy levels
Only three electrons.
Technetium has five electron shells.
Copernicium has 7 electron shells.
Gold is in period 6, so it has six main levels.
Sodium-23 has three electron levels: the first energy level can hold up to 2 electrons, the second energy level can hold up to 8 electrons, and the third energy level can hold up to 8 electrons. Sodium has an atomic number of 11, so sodium-23 has 11 protons and 11 electrons in a neutral state.
Sodium lose one electron, aluminium lose three electrons.Chlorine accept one electron, oxygen accept two electrons.
hi
Promethium has six electron shells.