The phrase "a number of exceptions to" is correct and usable in written English.
It can be used when discussing specific cases or situations that deviate from a general rule or principle.
Example: "There are a number of exceptions to the standard policy that must be considered before making a decision."
Alternatives: "several exceptions to" or "various exceptions to".
A number of exceptions to Lewis's theory of bonding have been catalogued here.
A number of exceptions to Lewis' theory of bonding have been catalogued here.
As appears below, there are a number of exceptions to the prohibitions summarized in the two lists.
Although there are a number of exceptions to this pattern, the trend generally holds true for all living insular mammals, and even seems more pronounced for fossil species.
Flowers in Sapindales are either radially or bilaterally symmetrical and are typically small, although there are a number of exceptions to the latter.
(This decline continued despite a number of exceptions to the one-child policy, especially in rural areas).In the end demography was the reason Chinese leaders had to act.
The bank received the favorable rating even while examiners identified a number of serious problems, including a large number of exceptions to the bank's lending policy so it could make more loans, and a "combative culture" where management failed to downgrade non-performing loans, according to an FDIC report.
If launching on the actual date of the event is too soon, we will make a limited number of exceptions to allow you to show a demo of the product at the event instead.
The communication rules were reformed in 2005 to allow a significant number of exceptions to the quiet period.
While a small number of exceptions to Haldane's rule have been documented in other organisms [59], the sterility patterns seen in toads are exceptional.
There are a small number of exceptions to this general pattern.
