They break down when reacting with acids. They can be altered with an electric current. They are always metals. They cannot be divided into smaller substances.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following is a characteristic of elements?
Possibilities:
- They break down when reacting with acids.
- They can be altered with an electric current.
- They are always metals.
- They cannot be divided into smaller substances.

They cannot be divided into smaller substances.