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Who proposed that all substances are composed of four elements Air Water Fire and Earth?
The ancient Greek philosopher Empedocles proposed that all substances are composed of four elements: air, water, fire, and earth. He believed that these elements combined and interacted to form all matter in the universe. This concept influenced later philosophical and scientific thought, particularly in the field of alchemy.
What are the simplest pure substances that can not be broken down into any other substance?
The simplest pure substances that cannot be broken down into any other substances are elements. Elements are made up of only one type of atom and cannot be separated into simpler substances by ordinary chemical reactions. Examples include hydrogen, oxygen, and carbon.
What is naturally substances?
Naturally occurring substances are materials that are found in the environment and are not synthesized or manufactured by humans. These substances can include minerals, plants, animals, and elements found in nature. Examples include water, air, rocks, and trees.
What 2 catogories of substances include pure substances?
elements and compounds
What can pure substances be classified as?
Pure substances are divided into elements and compounds.
What are some substances that are elements?
air, water
What are of Aristotle's four elements?
The elements are earth, air, fire, and water.
Empedocles' four elements are?
The four elements of empedocles is fire, water, earth and air
Substances that cannot be broken down into other substances are called?
elements
Substances that cannot be broken down by chemical mean?
Substances that cannot be chemically broken down into simpler substances are called elements.
Are all substances are elements?
Yes my friends. All elements are pure substances that cannot be broken down. However, pure substances aren't all elements.
Why isn't salt on the periodic table?
Air is a mixture of several gaseous elements, such as oxygen and nitrogen, and compounds, such as carbon dioxide. In the sense of the four elements, water, fire, earth, and air, air is an element.
What are the properites of elements?
What are the properties of Elements? elements are substances that CAN be split up. (Y) your mum. What are the properties of Elements? elements are substances that CAN be split up. (Y) your mum.
Are elements substances?
no
Are all the substances in the periodic table elements?
Yes! All of the 'substances' are elements. However elements can join together to make compounds.
What are the simplest pure substances that can not be broken down into any other substance?
The simplest pure substances that cannot be broken down into any other substances are elements. Elements are made up of only one type of atom and cannot be separated into simpler substances by ordinary chemical reactions. Examples include hydrogen, oxygen, and carbon.
Hydrogen and chlorine are pure substances of what?
Hydrogen and chlorine are chemical elements, not compounds
