An element is a pure substance that is made up of only one kind of atom.
Elements that can exist as a single atom are the noble gases in Group 18 of the Periodic Table.
An Element is the substance consisting of only one type of atom
An element is made up of only one type of atom. It is a pure substance, not a mixture or compound.
A substance that is made up of only one atom is called a pure substance. A pure substance is also called an element on the Periodic Table.
A substance that only contains one kind of atom is called an element.
An example of a substance made up of just one atom is an element like helium or neon. These elements exist as single atoms and do not chemically bond with other atoms.
A substance made up of only one kind of atom is an element, which is a pure substance.
A substance made up of only one kind of atom is an element.
If a substance is made out of one chemical it is called a Element.
An element is a substance made of only one kind of atom. Each element has a unique atomic number, which represents the number of protons in its nucleus. Examples of elements include oxygen, gold, and carbon.
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hydrogen
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Element
No. An element is a pure substance made of only one kind of atom. A compound is a pure substance made of two or more kinds of atom.
An Element is the substance consisting of only one type of atom
A substance that contains only one type of atom is called an "element".
This is an isotope of a chemical element.