A.
Explanation:
There are several reasons that Carbon-12 was chosen as the standard for determining the relative mass of other atoms.
- Its abundance on earth
- Carbon-12 is a very stable isotope atom
- Its has the same number of neutrons and protons hence more ideal to use for a precise calculation of <em>amu</em> (atomic mass unit) -
The mass of an atom are based on the ¹/12 mass of Carbon-12.
Answer: Bruno, a nine-year-old boy who lives in Berlin, Germany, comes home one day to find his families made Maria, rummaging through his belongings. He asked her to stop but she just shakes her head. Bruno‘s mother comes in and explains that Maria is packing up all of Bruno‘s things.
Explanation:
Setting: Berlin Germany
Place: Bruno’s house
Time: should be in front of book
The book Hatchet is a novel I believe
Answer:
I would need the passage or article to answer those questions!
