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Which best describes the definition for the atomic mass of an element?
The atomic mass of an element is the average mass of an element's isotopes, weighted by their natural abundance. It is expressed in atomic mass units (u) and is often close to the mass number of the most abundant isotope of the element.
What tells you the most common version of an element?
The most common version of an element is its average atomic mass, which is a weighted average of all isotopes of that element based on their natural abundances. This average atomic mass is typically found on the periodic table.
How do you calculate the relative atomic mass of an element?
To calculate the relative atomic mass of an element, you multiply the mass of each isotope of the element by its natural abundance, then add these values together.
What element in the period 2 has the most mass?
The element in period 2 with the most mass is Neon (Ne).
What best describes the weight average of atomic mass on an element?
The weight average atomic mass of an element is a weighted average of the masses of all its isotopes, taking into account their natural abundance. This gives a more accurate representation of the actual mass of an element in the natural world.
If an element has three isotopes with known natural abundance percentages what kind of information is needed to find the average atomic mass of the element?
To find the average atomic mass of the element, you would need the mass of each isotope and their corresponding natural abundance percentages. Multiply the mass of each isotope by its respective abundance percentage, then sum these values for all isotopes to determine the average atomic mass of the element.
What is the difference between average atomic mass and atomic mass?
Average atomic mass is the weighted average mass of all the isotopes of an element, taking into account their natural abundances. Atomic mass refers to the mass of a single atom of a specific isotope of an element.
How can the atomic mass of the element be lower than the element that came before it?
Because the periodic table is organized by atomic number, not by atomic mass. The general trend in the periodic table is a higher atomic mass as you go up atomic number, but there are exceptions.
What characteristic of an element is the average mass of it's isotopes?
The characteristic of an element that represents the average mass of its isotopes is called the atomic mass. Atomic mass takes into account the abundance of each isotope of the element and is typically listed on the periodic table as a weighted average.
Where is most of the mass of an element located?
Most of the mass of an element is located in the nucleus, which contains protons and neutrons. Electrons, which have a much smaller mass, are located in the electron cloud surrounding the nucleus.
What is the atomic mass of an element listed in the periodic table?
The atomic mass of an element listed in the periodic table is the weighted average mass of all the isotopes of that element, taking into account their natural abundance. It is expressed in atomic mass units (amu) or grams per mole (g/mol).
Most abundant element in the universe?
Hydrogen is the most abundant element in the universe.
