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A very small piece or bit of matter, such as a grain of sand, a speck of dust, or a microscopic unit like an atom or molecule. It is commonly used in scientific contexts to describe the fundamental components of a substance or in photography to describe the grain of an image.

Refers to an electron in a scientific context or, more commonly, signifies that something is digital or electronic. It is frequently used as a prefix to describe modern technology replacements for traditional items like books or money.

A neutron is a subatomic particle found in the nucleus of an atom that carries no electric charge. It has a mass slightly larger than that of a proton and is essential for the stability of atomic nuclei.

A chemical element, which is a fundamental substance that cannot be broken down into simpler substances by chemical means. It refers to the basic building blocks of matter listed on the periodic table.

A substance formed when two or more chemical elements are chemically bonded together. It is used primarily in scientific contexts to describe materials with a fixed ratio of components.

A substance made by combining two or more different materials without a chemical reaction occurring. It can be used in scientific contexts to describe chemical blends or in general contexts to describe a physical combination of items.

A liquid mixture in which a substance (solute) is uniformly dissolved in another substance (solvent). It is most commonly used in chemistry to describe liquids like salt water or chemical mixtures used in experiments.

A substance, typically a liquid, in which another substance (the solute) is dissolved to form a solution. In a chemical context, it acts as the medium that facilitates the breaking down of particles.

A solute is a substance that is dissolved in another substance (called a solvent) to create a solution. In a mixture like salt water, the salt is the solute because it is the part that gets dissolved.

Nitrogen is a colorless, odorless chemical element that makes up about 78 percent of the Earth's atmosphere. It is essential for all living things and is widely used in fertilizers and industrial cooling as liquid nitrogen.