Answer the following question given this paragraph: Metals are elements that are good conductors of electricity. They are the largest class of elements. Many metals are shiny, ductile, and malleable. They are also good conductors of heat. Almost all metals are solids are room temperature. Q: What is the largest class of elements? A:

Options are: 1. organics 2. acids 3. oils 4. metals
Answer:
4.