A Chemical Element is a fundamental substance comprising one kind of atom; the simplest form of matter.

In the context of the environment, a "chemical element" is a fundamental type of matter that consists of atoms with the same atomic number. There are 118 known chemical elements, and each element is characterized by its own unique set of properties, such as its atomic structure, melting point, and boiling point.

Chemical elements can be found in a wide range of environmental contexts, including the air, water, soil and the natural world. They can be found both in their pure form, as well as in combination with other elements to form chemical compounds.

Here are a few examples of chemical elements that might be found in the environment:

  • Carbon: Carbon is a chemical element that is found in many different forms in the environment, including as a component of fossil fuels, as well as in living organisms. It is a key component of organic molecules and is essential for life.

  • Hydrogen: Hydrogen is a chemical element that is the lightest and most abundant element in the universe. It is found in many different forms in the environment, including as a component of water and as a component of many organic molecules.

  • Oxygen: Oxygen is a chemical element that is essential for life, as it is required for the metabolism of most living organisms. It is found in the air as a gas, as well as in water and many other chemical compounds.

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