Ununbium (Uub) is the temporary name for element 112, also known as copernicium (Cn).

Here's how to figure out the number of electrons:

* Atomic number: The atomic number of an element defines the number of protons in its nucleus. Copernicium has an atomic number of 112.

* Neutral atoms: In a neutral atom, the number of electrons is equal to the number of protons.

* Therefore, a neutral copernicium atom has 112 electrons.

Important Note: The number of electrons can change if the atom becomes an ion (gains or loses electrons).