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The atomic mass of an element is the weighted average of the atomic masses of the naturally occurring isotopes of that element. Calculations of atomic mass use the percent abundance of each isotope.
The average atomic mass is the average mass of all the isotopes that compose that element, weighted based on the natural abundance of each isotope. So, how do we calculate the average atomic mass? Let’s see this by doing an example on chlorine.
The relative masses of atoms are reported using the atomic mass unit (amu), which is defined as one-twelfth of the mass of one atom of carbon-12, with 6 protons, 6 neutrons, and 6 electrons. The atomic mass of an element is the weighted average of the masses of the naturally occurring isotopes.
The webpage provides a lesson on average atomic mass in chemistry.
Write and interpret symbols that depict the atomic number, mass number, and charge of an atom or ion. Define the atomic mass unit and average atomic mass. Calculate average atomic mass and isotopic abundance. Isotopes are atoms of the same element that have the same number of protons but different number of neutrons, therefore they have ...
The average atomic mass is calculated as the weighted average of the atomic masses of the naturally occurring isotopes of the element. Example: Calculating the Average Atomic Mass of Carbon. Carbon has two stable isotopes: carbon-12 (C-12) and carbon-13 (C-13). The atomic mass and natural abundance of these isotopes are as follows:
The average atomic mass (sometimes called atomic weight) of an element is the weighted average mass of the atoms in a naturally occurring sample of the element. Average masses are generally ...
Definition. The average atomic mass, also known as the average atomic weight, is the weighted average of the masses of the naturally occurring isotopes of a chemical element. It represents the typical mass of an atom of that element, taking into account the relative abundance of its isotopes.
Atomic Mass or Weight Definition. Atomic mass, which is also known as atomic weight, is the average mass of atoms of an element, calculated using the relative abundance of isotopes in a naturally occurring element. Atomic mass indicates the size of an atom.
AP Chemistry. Definition. The average atomic mass is the weighted average of all naturally occurring isotopes of an element. It takes into account both the mass and abundance (% occurrence) of each isotope. congrats on reading the definition of Average Atomic Mass. now let's actually learn it. ok, let's learn stuff. Definition. Find Out More.