Question

drag the right word to its definition the smallest particle of an element that can exist. bond atom molecule

Explanation:

To solve this, we recall the definitions: An atom is the smallest particle of an element that can exist. A molecule is a group of atoms bonded together, and a bond is the force holding atoms together. So the word matching the definition "the smallest particle of an element that can exist" is "atom".

Answer:

The word "atom" should be dragged to the definition "the smallest particle of an element that can exist".