Atomic weights are weighted averages calculated by multiplying the relative abundance of each isotope by its atomic mass and then summing up all the products.
Answer:
The answer to your question is below
Explanation:
Definition
Na (sodium) Sodium
Ne (neon) 20.180 u (atomic mass
N (nitrogen) 7 atomic number
Answer: Laws have been passed banning the production of a living copy of a person.
i just took the test so i know the answer is correct.
It is called the nitrogen cycle- nitrogen gas gets transformed into nitrates through nitrogen fixation.