An "element"
The word for a substance that cannot be reduced to a simpler substance by chemical means is "element." Elements are the fundamental building blocks of matter and consist of atoms that share the same number of protons. They cannot be broken down into simpler substances through chemical reactions. Examples include hydrogen, oxygen, and carbon.
When a substance cannot be reduced by physical or chemical means to a simpler form, it is an example of a pure substance or an element. Elements are the fundamental building blocks of matter and cannot be broken down into simpler substances through ordinary chemical reactions. Examples include oxygen, gold, and hydrogen.
An element.
Elements cannot be reduced to simpler substances by chemical means. Each element is composed of identical atoms that cannot be broken down further through chemical reactions.
physical means only
An element is a substance that cannot be broken down into a simpler substance by chemical means. Each element is represented by a unique symbol on the periodic table.
The substance is a compound, which forms chemical bonds that cannot be physically separated, but only by a chemical change.
studyisland answer : water
cannot be broken down into simpler substances by chemical means
An element.
An element cannot be separated into simpler substances by chemical means.
An element is a substance that cannot be further broken down into simpler substances by chemical means. Each element is made up of atoms with a specific number of protons in their nucleus, giving them unique properties and characteristics. Examples of elements include oxygen, gold, and carbon.