What is the correct classification of a mixture in which both a solid and a liquid are visible?

What is the basic form of matter that cannot be broken down any further?

Which solution is a homogeneous mixture: sand and water, salt and water, salad dressing, or soil?

In the following images, the white spheres represent hydrogen atoms and the red spheres represent oxygen atoms. classify each sample as an element, a compound, or a mixture.

Which term describes a pure substance that is made up of only one type of atom?

Unlike an element, a(n) ________ may be separated through a physical process like filtration.

One particular type of atom and it cannot be broken down into a simpler substance