Question

classify the picture with the correct label.
mixture of elements
element
mixture of elements & compounds
compound

Explanation:

Step1: Analyze the nature of the particles

The image shows particles that are all the same type (each particle is composed of two identical atoms).

Step2: Recall the definition of an element

An element is a pure substance that consists of only one type of atom. In the case of diatomic elements (like \(O_2\), \(H_2\) etc.), the particles are made up of two identical atoms. Since all the particles in the image are of the same kind (same type of di - atomic particles), it meets the criteria for an element.

Answer:

Element