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You do not write a subscript because it is understood to be one. For example, the formula for water, H2O, indicates that there are two hydrogen atoms and one oxygen atom in a molecule of water. There is no subscript written next to the oxygen atom because it is understood to be one.

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Q: What do you do if there is only one atom of an element in a formula?
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Continue Learning about Natural Sciences

How many elements are in a atom?

i don't know about 2


What does it mean when a compounds chemicals formula does not include any numbers?

there is only one atom of each element


What does it mean if an atom has subscript in a chemical formula?

There is one atom of that element in the molecule.


Substance made of only one kind of atom?

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


What consist of only one type of atom?

an element consists of only 1 type of atom !

Related questions

What does it means when a compounds chemical formula does not include any numbers?

It means that you have one atom of each element in the formula


What does it mean when a compound formula does not include numbers?

there is only one atom of each element


What does it mean if an atom has no subscript in a chemical formula?

There is one atom of that element in the molecule.


What does it mean when a compounds formula does not include any numbers?

there is only one atom of each element


What does it mean if a chemical symbol in a chemical formula has no subscript?

There is one atom of that element in the molecule.


How many elements are in a atom?

i don't know about 2


What does it mean a compounds chemical formula does not include any numbers?

there is only one atom of each element


What does it mean when a compounds chemicals formula does not include any numbers?

there is only one atom of each element


What does it mean if an atom has subscript in a chemical formula?

There is one atom of that element in the molecule.


What does it mean when an element in a chemical formula does not have a subscript?

The meaning is that only one atom of this element exist in the molecule. Example: sodium chloride - NaCl.


If a substance is composed entirely of one type of atom it is known as a?

An Element is the substance consisting of only one type of atom


What Elements contain only one type of atom?

By definition, an Element contains only one kind of atom - atoms of that element. If it has more than one kind, it is a compound, not an element.