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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.

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12y ago
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15y ago

An element is composed of molecules containing atoms of the same type.

A compound is composed of molecules containing atoms of different types.

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Anonymous

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3y ago

element

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Q: What is substance made up of one atom called?
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Related questions

What is the substance made from only one atom called?

If a substance is made out of one chemical it is called a Element.


What is it called when a pure substance is made up of only one kind of atom?

element


What do you call a substances that are made up of only one kind of atom?

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.


What is a substance made up of ant one kind of atom?

A substance made up of only one kind of atom is an element, which is a pure substance.


Anything made up of only one atom is called a?

A substance in which all the atoms are the same is called an "element".


What is the purest form of a substance made of only one type of atom?

That would be called an element.


What is the only substance that contains only one type of atom?

A substance that contains only one type of atom is called an "element".


Substance made of only one kind of atom?

an element is a substance rested with only one and ONE substance


Which substance is made of one kind of atom?

They are elements.


What is Substance made of one kind of atom?

An element.


What substance made up of only one kind of atom?

it's called a element according to study island


What do you call a substance made of only one ideam?

A substance made up of only one kind of atom is an element.