Adenine, thymine, guanine, and cytosine
adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Answer:
Atomic Number: 8
Number of neutrons: 8
Mass of neutrons: 16 (AMU if you want the units)
Explanation:
The answer for both the number of neutrons and atomic number is on the top
The mass is at the bottom