Question

the average atomic mass of the element is 14.0 amu. what is the identity of the element? potassium calcium nitrogen argon

Explanation:

To identify the element, we refer to the periodic table. The average atomic mass of potassium (K) is approximately 39.1 amu, calcium (Ca) is about 40.1 amu, nitrogen (N) is 14.0 amu, and argon (Ar) is around 39.9 amu.

Answer:

nitrogen