The electron configuration of technetium is [Kr]4d5.5s2.
The hyphen notation of the most common isotope of technetium, technetium-98, is 98Tc.
Tc
The orbital notation for thallium is [Xe}4f14.5d10.6s2.6p1.
it is Tc.
dont include it
An unoccupied orbital is represented by an empty box in orbital notation. It does not have any electrons present in it but is available to accept electrons if needed.
The orbital notation for vanadium is 1s2 2s2 2p6 3s2 3p6 4s2 3d3.
The electronic configuration of technetium is [Kr] 4d^5 5s^2. This means that technetium has 5 electrons in its 4d orbital and 2 electrons in its 5s orbital.
The element with this orbital notation is nickel (Ni), a transition metal.
The orbital notation for oxygen is 1s^2 2s^2 2p^4. This indicates that oxygen has two electrons in the 1s orbital, two electrons in the 2s orbital, and four electrons in the 2p orbital.
[Rn]7s2
The orbital notation for beryllium (Be) is 1s^2 2s^2. This notation represents the distribution of electrons in the beryllium atom's electron shells and subshells.