Save my name, email, and website in this browser for the next time I comment. Have an account? Sign In Now. Remember Me! Don't have account, Sign Up Here. Forgot Password. You must login to ask question. Ask A Question. In Process. We at least have standardized units these days, unlike centuries past. At one time, measurements of length were defined as the distance from the end of one appendage to another.
For example, the yard was defined as the distance from the king's nose to the tip of his thumb, when his arm was stretched out. Standardized measurements make it possible for people everywhere to get the same amount of something. Note the red and white labels on the gas pump pictured below. These labels certify that the gas pump has been checked, and is pumping an accurate gallon of gas. Standard measurements in science are very important so that we can compare experimental data from one lab to another, and make sure that we are all talking about the same thing.
Atomic Structure. Search for:. Explain how atomic mass units are determined. Figure 1. Mass spectrometer schematic. Summary Carbon is the reference for all atomic mass calculations.
The mass of an atom is affected by the interactions of particles within the nucleus. What is another term for atomic mass unit? What mistake is in the second paragraph? Review What instrument is used to measure the mass of atoms? How much does a single oxygen atom weigh in grams? What is the reference standard for atomic mass units?
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