[Ar] 3d3 4s2
Or, expanded:
1s2 2s2 2p6 3s2 3p6 3d3 4s2
An electron distribution that ends in ( s^2 d^2 ) corresponds to the transition metals in the fourth period of the periodic table, specifically zinc (( \text{Zn} )) and its neighboring elements. The electron configuration for these elements typically follows the pattern of filling the ( 3d ) subshell after the ( 4s ) subshell. Thus, an example of such a configuration is for the element titanium, which has the configuration ( [Ar] 4s^2 3d^2 ).
The bipositive ion of strontium takes the electron configuration of xenon.
Potassium tends to lend electrons rather than borrow them. As an alkali metal, it has a single electron in its outermost shell, which it readily loses to achieve a stable electron configuration. This electron loss allows potassium to form positively charged ions (K⁺) during chemical reactions, particularly with nonmetals.
Atoms can have as many electron shells as they need. The first electron shell can only contain 2 electrons but the rest can contain 8. Electron arrangement patterns down a group : the # of complete electrons shells increases by 1. The # of group is the same as the # of electrons in the outer shell. (ex. Group 2 there will be 2 electrons in the outer shell) Electron arrangement patterns across a period : the # of complete electron shells stays the same. The # of electrons increases by 1 each time. When a new period starts, that's when a new shell is added. Hope this was helpful :)
The electric field is stronger near the electron and becomes weaker as the distance from the electron increases.
The electron configuration for oxygen is [He]2s2.2p4.The electron configuration for sulfur is [Ne]3s2.3p4.
The electron configuration for beryllium, Be, is 1s22s2.
A cation has a depleted electron configuration.
The electronic configuration of einsteinium is: [Rn]5f11.7s2.
Hydrogen electron configuration will be 1s1.
The electron configuration of francium is [Rn]7s1.
The electron configuration of beryllium is written as [He] 2s2. This means that it has 2s2 electrons above the configuration of Helium.
Uranium electron configuration: [Rn]5f36d17s2
The electron configuration of beryllium is 1s2 2s2.
The electron configuration of boron is [He]2s2.2p1.
The electron configuration for germanium is [Ar]3d10.4s2.4p2.
The electron configuration for V3 is Ar 3d2.