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chemical

Definition

A chemical is a substance that has a specific composition and properties. Chemicals can be found in all living things, as well as in the non-living world.

There are many different types of chemicals, and they can be classified in a variety of ways. Some common ways to classify chemicals include:

  • Element: A chemical that cannot be broken down into simpler substances.
  • Compound: A chemical that is made up of two or more elements that are chemically bonded together.
  • Mixture: A combination of two or more substances that are not chemically bonded together.

Chemicals can be found in all sorts of places, including in the air, in the water, and in the food we eat. They can also be found in many of the products we use every day, such as shampoo, toothpaste, and cleaning products.

Chemicals can be either harmful or beneficial. Some chemicals, such as those found in poison, can be very harmful. Other chemicals, such as those found in medicine, can be very beneficial.

It is important to be aware of the chemicals that we are exposed to, both in the environment and in the products we use. Some chemicals can be harmful if we are exposed to them in large amounts or for a long period of time.

Imagine that you are a chef. You are cooking a meal, and you need to use different ingredients. The ingredients are like chemicals. They have different properties, and they can be combined in different ways to create different dishes. In the same way, chemicals can be combined in different ways to create different substances. Some of these substances can be harmful, while others can be beneficial. It is important to be aware of the chemicals that we are exposed to and to use them safely.

How can the word be used?

The chemicals in the cleaning product were harmful to the environment.

chemical

Different forms of the word

Noun: chemical (plural: chemicals).

Adjective: chemical.

Verb: to chemicalize.

Adverb: chemically.

Etymology

The word "chemical" comes from the Greek word "khēmikós", which means "of or relating to alchemy". Alchemy was a medieval practice that attempted to transform base metals into gold.

Question

Why are some chemicals, such as those found in poison be very harmful and be some helpful?