The phrase "standalone element" is correct and usable in written English.
It refers to a part of a sentence that can stand alone and make sense without the rest of the sentence. Example: "I went to the store." In this sentence, "I" is a standalone element because it can stand alone and make sense as a complete sentence.
You're thinking along the right lines though, in that hydrogen is the lightest element, and therefore the easiest to accelerate of all of the periodic table, but when we're dealing with supernovae, we're not limited to just the pieces that are listed as a standalone element.
Stage two found that the usefulness of eHealth and whether it should be used as a standalone element of care or as part of a care package depends upon the severity of chronic pain experienced by individuals.
The switch may be located on the base of the lamp, near the bulb or on a cord which contains the switch as a standalone element.
received generally positive reviews, with one critic praising the mixture of mythology and standalone elements for the episode.
We use Unicode full width forms for standalone music elements like swara syllable or duration, and Unicode combining diacritical marks for adjunct symbols like octave, stress, foreign note indication, duration symbols which symbolize duration less than one unit, etc.
Although he had intended his 2003 novel Pattern Recognition to be a standalone work, elements of it manifested in the script of its eventual successor, including the character of amoral marketing guru Hubertus Bigend.
In Ultimate Betrayal, a standalone thriller, there were elements of my personal experiences in Vietnam.
The brilliantly versatile Laura Lippman combines the best elements of her standalone psychological novels with the greatest strengths of her series featuring journalist turned private eye Tess Monaghan in Hush Hush (Faber), a Monaghan mystery that probes the extremities of maternal love.
For Super Bowl LII, the NFL has commissioned a standalone app, which will provide elements of gamification, social media integration, and wayfinding to food, drink, souvenirs and restroom facilities.
Add to that, phones are often kept tucked away in a bag or pocket, rather than deliberately left exposed to the elements, so a standalone sensor for environmental data logging makes some sense.
miRNA genomic location can be intergenic, intronic, inside repetitive elements, or a standalone gene with its own promoter (fig. 4 a).
