element\ncompound\nmixture of elements\nmixture of compounds\nmixture of elements and compounds

element\ncompound\nmixture of elements\nmixture of compounds\nmixture of elements and compounds

element\ncompound\nmixture of elements\nmixture of compounds\nmixture of elements and compounds

Answer

Brief Explanations:

An element is made up of only one - type of atom. In the picture, all the spheres are of the same type, representing the same kind of atom. A compound has two or more different types of atoms chemically bonded. A mixture contains two or more substances (either elements or compounds) physically combined. Since there is only one type of atom shown, it is an element.

Answer:

Element