Answer:
The description of vanadium with circles and arrows is related to its electron configuration and the filling of its atomic orbitals.
Step-by-step explanation:
In atomic structure, electrons occupy different energy levels and sublevels within an atom. The circles represent the energy levels or shells, while the arrows represent the electrons.
The first circle corresponds to the first energy level, often referred to as the 1s orbital. This circle contains 2 arrows, indicating that the 1s orbital can accommodate a maximum of 2 electrons.
The second circle represents the second energy level, or the 2s orbital. It contains 1 arrow, indicating the presence of 1 electron in the 2s orbital.
Lastly, the absence of any arrows in the third circle implies that the third energy level, or the 2p orbital, is currently unoccupied. The 2p orbital can hold a total of 6 electrons but, in this case, it does not have any electrons.
Overall, the description suggests that the electron configuration of vanadium is 1s^2 2s^1 2p^0, meaning it has 23 electrons in total. The first energy level (1s orbital) has 2 electrons, the second energy level (2s orbital) has 1 electron, and the third energy level (2p orbital) is empty.