"Nucleus" is a singular noun. The plural form is "nuclei".
Nuclei is plural. Nucleus is singular.
"Force" is singular and "forces" is plural.
"Lens" is both singular and plural.
The singular form of nuclei is nucleus.
The noun quantum is the singular form; the plural is quanta.
Nucleus is singular; the plural form is nuclei (or some prefer nucleuses).
Nuclei is plural. Nucleus is singular.
The singular for of the plural noun 'nuclei' is nucleus.
Nuclear is an adjective.Most English adjectives do not have separate singular and plural forms.Perhaps you were thinking of the noun nucleus (singular) or nuclei (plural).
practitioner is singular (plural practitioners)sofa is singular (plural sofas)satellite is singular (plural satellites)clips is plural (singular clip)dentist is singular (plural dentists)dollars is plural (singular dollar)article is singular (plural articles)magazines is plural (singular magazine)laminator is singular (laminators is plural)radios is plural (singular radio)
singular and plural
Singular: book / Plural: books Singular: cat / Plural: cats Singular: child / Plural: children Singular: foot / Plural: feet
Are is plural. "Is" is singular. For example, "There is a glove on the chair". That is singular. "There are gloves on the chair". That is plural.
"Has" is singular, e.g. He has, she has. "Have" is plural, e.g. They have, we have. The exception is "I" - e.g. I have.
The word team is singular; the plural form is teams.
Who may be singular or plural.
This is singular. These is the plural form.