Respuesta :

Answer:

Explanation:

Elements are made of only one kind of atom. The particles can be a single atom or a molecule made of only one kind of atom. There is no physical change that can separate elements into more than one kind of substance. This makes an element a pure substance.

Immabotato

Answer:

Sample Response: An element is considered a pure substance because it is made up of only one type of atom and cannot be broken down into a simpler form.

Explanation: