Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
the molecule was
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the molecule was" is correct and usable in written English.
You can use it when describing the state or characteristics of a molecule in a scientific context. Example: "In the experiment, the molecule was found to exhibit unusual properties under high temperatures."
✓ Grammatically correct
Science
News & Media
Academia
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
The molecule was also able to significantly shrink established pancreatic tumors in mice with the disease.
Academia
Instead, she concentrated on her supposed evidence that the dry form of the molecule was not helical.
News & Media
The molecule was designed with azole, thiol functional groups and carboxylate tail group.
Science
G-479 with polarity distributed throughout the molecule was improved over G-868 in many aspects.
When the molecule was substituted by 2-ethylhexyl, however, it can only form monolayer assembly.
Science
The reactive site of the molecule was predicted from the molecular electrostatic potential contour map.
The molecule was designed to have push pull structure and was synthesized by Knovenagel condensation reaction.
Science
In addition, ignition-delay times were affected when the functional group of the molecule was changed.
Science
Less than a decade ago, the molecule was considered artificial, but it was chased down in the natural world, and its status changed.
News & Media
While chemists rushed to figure out what the molecule was, Spoering and her colleagues tried to figure out how it killed.
News & Media
In the d4-iPF4α-VI design, the deuterated part of the molecule was introduced last in the synthesis.
Science
Expert writing Tips
Best practice
When describing experiments, use "the molecule was" to clearly state the conditions or actions performed on the molecule (e.g. "the molecule was heated", "the molecule was analyzed").
Common error
Avoid using past perfect tense unnecessarily. Use simple past tense with "the molecule was" when describing a single, completed action or state in the past.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the molecule was" functions as a declarative statement introducing a fact or detail about a specific molecule. According to Ludwig AI, this phrase is usable in written English and it's employed to predicate a condition, action or attribute.
Frequent in
Science
88%
News & Media
8%
Academia
3%
Less common in
Formal & Business
1%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "the molecule was" is a grammatically sound and frequently used phrase to introduce a fact or detail about a specific molecule. Ludwig AI confirms its correctness and usability in various writing contexts. It is most common in scientific and technical writing, where it serves to inform and describe aspects of a molecule. When writing, avoid unnecessary complexity in verb tenses and ensure the chosen alternative matches the intended meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the molecule had been
Focuses on a past state completed before another point in the past.
the molecule got
Implies a change of state or acquisition of a property.
the molecule became
Suggests a transformation or evolution into a new state.
the molecule consisted of
Emphasizes the components or elements that make up the molecule.
the molecule is
Describes the current state or properties of the molecule in the present tense.
the molecular structure was
Specifically refers to the arrangement of atoms in the molecule.
the compound was
Uses a broader term, referring to any substance formed from two or more elements.
the substance was
Uses a more general term, referring to any material with definite chemical composition.
it was discovered that the molecule
Shifts the focus to the act of discovering something about the molecule.
the chemical species was
Emphasizes the chemical identity and characteristics of the molecule.
FAQs
How can I use "the molecule was" in a sentence?
Use "the molecule was" to describe a state, condition, or action performed on a specific molecule. For instance, "the molecule was synthesized" or "the molecule was analyzed".
What are some alternatives to "the molecule was"?
Depending on the context, you can use alternatives such as "the molecule became", "the molecule consisted of", or "the compound was".
Is it correct to say "the molecule was being" instead of "the molecule was"?
While grammatically correct, "the molecule was being" implies a continuous or ongoing action in the past. Use it when you want to emphasize the duration of the action. Otherwise, "the molecule was" is usually sufficient and clearer.
What's the difference between "the molecule was identified" and "the molecule was discovered"?
"The molecule was identified" suggests determining the nature or composition of the molecule. "The molecule was discovered" implies finding or becoming aware of the molecule's existence for the first time.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested