What is nitrogen, nitrogen-14, and nitrogen-16 average ram

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car

How many atomic mass units are equal to 1.672×10−24 g of protons?