Examples of atomic mass in a Sentence
Recent Examples on the Web
Different isotopes of an element all have the same number of protons, but a different number of neutrons, and thus, a different atomic mass.
—
Adam Harrington,
CBS News,
9 Dec. 2025
Its atomic mass is slightly higher than regular hydrogen, thanks to that extra neutron.
—
Keith Cooper,
Space.com,
17 Oct. 2025
How changes in atomic mass leave clues to our climatological past.
—
Dan Zak,
Washington Post,
15 July 2019
Some have theorized that the soda got its name from the atomic mass of lithium, which is roughly seven.
—
Beth Mole,
Ars Technica,
22 Sep. 2017
Not only should the chemistry of the two isotopes be the same, the slight difference in atomic mass largely washes out in the watery environment of the body.
—
Jennifer Ouellette,
Quanta Magazine,
2 Nov. 2016
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adam Harrington,
CBS News,
9 Dec. 2025
Its atomic mass is slightly higher than regular hydrogen, thanks to that extra neutron.
—
Keith Cooper,
Space.com,
17 Oct. 2025
How changes in atomic mass leave clues to our climatological past.
—
Dan Zak,
Washington Post,
15 July 2019
Some have theorized that the soda got its name from the atomic mass of lithium, which is roughly seven.
—
Beth Mole,
Ars Technica,
22 Sep. 2017
Not only should the chemistry of the two isotopes be the same, the slight difference in atomic mass largely washes out in the watery environment of the body.
—
Jennifer Ouellette,
Quanta Magazine,
2 Nov. 2016
Cite this Entry
“Atomic mass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atomic%20mass. Accessed 2 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
