Answer:

B. Electrons

Explanation:

What is an orbital?

An orbital is a three-dimensional representation of the most probable position of an electron around an atom. Orbitals are linked when bonds form within atoms in a molecule. There are four types of orbitals that we should be familiar with. These are s, p, d, and f (sharp, principal, diffuse and fundamental). Inside each shell of an atom, there are some combinations of orbitals. In the n=1 shell, you only find s orbital. In the n=2 shell, on the other hand, we have s and p orbitals. Nextly, in the n=3 shell, we have s, p, and d orbitals. Lastly, in the n=4 up shells, we find all four types of orbitals. It is necessary to remark here that these orbitals, shells, etc. are all components of an empirical theory devised to explain what we perceive concerning molecular structure and bonding. As with any theory, these specifications will only stand as truth until someone arrives with a better description.

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Answer:

B

Explanation:

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