compound
Property
Chemsitry
particle
atom
Composition
Substance
element
Science
subatomic
The scientific study of the basic characteristics of substances and the ways in which they react or combine.
The smallest unit of any chemical element, consisting of a positive nucleus surrounded by negative electrons.
The parts, substances, etc. that something is made of.
Smaller than or within an atom
A quality in a substance or material, especially one that means that it can be used in a particular way
Knowledge from the careful study of the structure and behaviour of the physical world, especially by watching, measuring, and doing experiments, and the development of theories to describe the results of these activities.
A chemical that combines two or more elements
An extremely small piece of matter
Material with particular physical characteristics.
A simple substance that cannot be reduced to smaller chemical parts