Answer:
#2: They break down quicker than stable isotopes. - im not sure
Explanation:
You didn’t post the photo or full question
<span>Chemical formula of ammonia = NH3
As we can see there are three atoms of hydrogen in one molecule of ammonia.
So in the 200 molecule of ammonia there will be = 200*3 = 600 atoms of hydrogen.
Answer - 600 atoms of hydrogen.</span>
Examples of pure substances include tin, sulfur, diamond, water, pure sugar, table salt and baking soda. Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances which are chemical elements. All elements are pure substances.
