Look at the text below. If there is an error with subject-verb agreement, select the incorrect
verb and type it correctly. Otherwise, submit the text without making any changes.

The number of protons in an atom is expressed by that element's atomic
number on the periodic table.

A long winded explanation could be given, but the simple answer is that number is singular when referring to something to do with counting. "Is" is the singular form of the to be verb. Number is the subject of the sentence.

The subject is singular and the predicate or verb is singular. There is no subject verb disagreement.

Answer

No subject verb disagreement. The sentence is correct.

Look at the text below. If there is an error with subject-verb agreement, select the incorrect verb and type it correctly. Otherwise, submit the text without making any changes. The number of protons in an atom is expressed by that element's atomic number on the periodic table.

Answer :

Other Questions

Look at the text below. If there is an error with subject-verb agreement, select the incorrect
verb and type it correctly. Otherwise, submit the text without making any changes.

The number of protons in an atom is expressed by that element's atomic
number on the periodic table.