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