Here's why:

* Metallic Bonding: Molybdenum, like other metals, has metallic bonding. This means its electrons are loosely bound to the atoms and can move freely throughout the material. This free movement of electrons is what allows for the flow of electrical current.

* High Conductivity: Molybdenum has a relatively high electrical conductivity, making it suitable for use in applications where good electrical conduction is required.

However, it's important to note that:

* Not as Conductive as Copper: While molybdenum is a good conductor, it's not as conductive as copper, which is the most common electrical conductor.

* Temperature Dependence: Like most metals, molybdenum's conductivity decreases with increasing temperature.

Applications of Molybdenum's Conductivity:

Molybdenum's electrical conductivity is used in various applications, including:

* Electrical Contacts: Molybdenum's high melting point and good conductivity make it useful in electrical contacts, particularly in high-temperature applications.

* Heating Elements: It's used in heating elements due to its resistance to oxidation and high melting point.

* Electrodes: Molybdenum is used as an electrode in various electrochemical processes.

In summary, molybdenum is a good electrical conductor due to its metallic bonding and high conductivity. While it's not as conductive as copper, its other properties, like high melting point and resistance to oxidation, make it valuable for specific applications.