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The mass of an atom usually expressed in atomic mass units is its?
Atomic mass.
What is 4.00260 rounded to in atomic mass?
It is 4.0026 : the atomic mass can be a fraction.
What are the atomic sizes are usually reported in?
AMU Atomic Mass Unit
What are atoms mass given in?
Atomic mass is usually measured in "Atomic Mass Units", which are about 1.660538921(73)×10−27 kg.
What is Jupiter's atomic weight?
Atoms (not planets) have "atomic weight", usually called "atomic mass" now. Perhaps you mean : What is Jupiter's mass? Jupiter's mass is about 318 times the mass of our Earth.
How many neutrons are in alumnium?
14 - Subtract atomic mass(usually bottom #) from atomic number(usually top #).
How come the relative atomic mass can be a fraction?
The relative atomic mass is the mean mass of the isotopes of an element. Since, by definition, these have different numbers of neutrons, their masses are different. This results in fractional values.
Which is a factor in determining the average atomic mass of an element?
The two main factors in determining the average atomic mass of an element are:the isotopic composition of the element (the fraction of each isotope)the atomic mass of each isotope
Why is technetiums relative mass usually found in brackets on the period table?
why is the atomic mass of technitium usually in brackets?
Where can you find atomic numbe rand atomic mass in the symbol of element?
In the symbol of an element, the atomic number (representing the number of protons in the nucleus) is typically found as a subscript to the left of the element symbol. The atomic mass (representing the average mass of the element's isotopes) is usually found as a superscript to the left of the element symbol.
What is the difference between atomic mass and average atomic mass?
Atomic mass refers to the mass of an individual atom of a specific element, while average atomic mass is the weighted average of the masses of all the isotopes of an element, taking into account their relative abundance in nature. Average atomic mass is usually listed on the periodic table, while atomic mass is specific to a single isotope.
What is the fraction in calculating the average atomic weight of an element?
The fraction represents the abundance of each isotope of the element. It is calculated by multiplying the fractional abundance of each isotope by its atomic mass, then summing these products to obtain the average atomic weight.
