Chemistry Lab

Calculating Average Atomic Mass Katherine Toro November 15, 2009 H. Chemistry cessation 7 Purpose: Calculate the fairish nuclear fellowship of an fragment similar to the process of scientists. Procedure: Your group regulate be devoted a sample of the ‘’ agent’’ vegium. Vegium has ternion isotopes: vegium- 1 (peas), vegium-2 (white beans), and vegium-3 (black beans). You will determine the sexual congress abundance and nuclear mass of to each one isotope, then calculate the average atomic mass of the vegium. Give each of the isotopes a common name, be creative. Hint: The only things you need to measure are the mankind action of each isotope and the mass of the entire sample of each isotope. formerly you have calculated relative abundance and isotopic mickle you will need to remember how to calculate average atomic mass. Calculations: Averag e *atomic mass*;) = (mass of isotope × relative abundance) data: Questions: The average atomic mass of most instalments is a non an integer value because atomic weights are a office of both the subroutine of protons and the number of neutrons. The identity of each element is defined by the number of protons it has.

However, the same element chiffonier have multiple isotopes, each of which has a divers(prenominal) number of neutrons. So the mass of a specific atom of peerless element does non weigh exactly the same as alone other. It is weighted therefore it cannot b! e a social unit number unless the numbers all up to exactly a whole number. The average atomic mass of most elements is not an integer value because the relative atomic weight or mass of an element is designated in atomic mass units (amu or u). It originally was supposed to be the sum of the protons and neutrons for a addicted element. There are many reasons for this variation, such as elements consisting of atoms with diametric number of neutrons....If you want to get a full essay, butt it on our website: BestEssayCheap.com

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