Name three elements in the periodic table.
Here are three elements in the periodic table: 

1. Hydrogen (H)
2. Oxygen (O)
3. Iron (Fe)
Below is an instruction that describes a task, write a response that appropriately completes the request.

### Instruction:
Name three elements in the periodic table.

### Response:
Here are three elements in the periodic table: 

1. Hydrogen (H)
2. Oxygen (O)
3. Iron (Fe)