No. More frequently it is not.
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A rational number can always be written as (one whole number) divided by (another whole number). That's not only a characteristic of a rational number, it's the definition of one.
The square root of any positive integer can only be a WHOLE NUMBER or IRRATIONAL, so the square root of 7 is irrational.On the other hand, the sum of a rational and an irrational number is always irrational.
Irrational.
It is a real number, a rational number, an integer.
It can be written as a fraction, so it is rational. It is not an integer, whole number or irrational.