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