this is in a crossword puzzle, what is the simplest type of a pure substance? there are 7 spaces and the second letter is a L.

How about ELEMENT?

wats a metor

To find the answer to your crossword puzzle clue, we can use the given information: the word has 7 spaces, and the second letter is "L."

The simplest type of a pure substance that fits this description is "Element." It is a term commonly used in chemistry to describe a substance that cannot be broken down into simpler substances by chemical means.

To solve a crossword puzzle like this, you can start by brainstorming words that fit the given criteria. In this case, we know that the word has 7 spaces and the second letter is "L." Then, you can consider relevant words that could potentially match those criteria. In this case, "Element" is a common word that meets the requirements, and it matches the given definition.