If you mean a substance made up of only one atom, that would be a mono-atomic element, and would be a noble gas.
If you mean a substance made of only one kind of atoms, that would be an element.
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.
Element: mono di tri tetra .. hexa .. octa atomic elements Examples He, Cl2, O3, P4, .., C6, .., S8
An Element is the substance consisting of only one type of atom
No, a mixture can be made up of elements, compounds, or both. An element is a pure substance made up of only one type of atom, whereas a compound is a substance made up of more than one type of atom chemically bonded together.
If a substance is made out of one chemical it is called a Element.
A substance in which all the atoms are the same is called an "element".
element
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 made up of only one kind of atom is an element, which is a pure substance.
A substance that contains only one type of atom is called an "element".
it's called a element according to study island
They are elements.
An element.
A substance made up of only one kind of atom is an element.
Yes. Such a pure substance with more than one type of atom is called a chemical compound.
An element contains only one type of atoms. the substance which is made of more than one type of atom is called COMPOUND.Read more: Is_an_element_made_out_of_more_than_one_type_of_atom