Classify the following elements as metal or noble gas: Argon, Iron, Copper, Krypton, Neon, Silver, Thorium, Radon, Helium, Xenon, Erbium, Tin, Protactinium
Argon - Noble Gas
Iron - Metal
Copper - Metal
Krypton - Noble Gas
Neon - Noble Gas
Silver - Metal
Thorium - Metal
Radon - Noble Gas
Helium - Noble Gas
Xenon - Noble Gas
Erbium - Metal
Tin - Metal
Protactinium - Metal
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Classify the following elements as metal or noble gas: Argon, Iron, Copper, Krypton, Neon, Silver, Thorium, Radon, Helium, Xenon, Erbium, Tin, Protactinium
### Input: 
### Response: Argon - Noble Gas
Iron - Metal
Copper - Metal
Krypton - Noble Gas
Neon - Noble Gas
Silver - Metal
Thorium - Metal
Radon - Noble Gas
Helium - Noble Gas
Xenon - Noble Gas
Erbium - Metal
Tin - Metal
Protactinium - Metal