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By taking the wieghted averages of naturally occurring isotopes of that element. :)
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CoachThe Atomic Mass of an element is a weighted average of the masses of its isotopes, taking into account their relative abundance. It is typically given in atomic mass units (amu) and can be found on the Periodic Table. The atomic mass can be calculated by multiplying the mass of each isotope by its relative abundance, summing these values for all isotopes, and then rounding to the nearest whole number.
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What is necessary to calculate the atomic mass of an element is?
You need to know the atomic # or the masses of each isotope of the element.
What is the atomic mass of 25mg?
The atomic mass of a substance is the mass of one mole of that substance. To calculate the atomic mass of 25 mg of a specific element, you would first need to determine the molar mass of that element. You can then use the molar mass to convert the mass of the sample (25 mg) to the number of moles, and then calculate the atomic mass of that amount.
How do you calculate from the periodic table the density of an element?
To calculate the density of an element from the periodic table, you would need to know the element's atomic mass and atomic volume. The formula for density is mass divided by volume. You can find the atomic mass on the periodic table and calculate the volume using the element's atomic radius or other relevant data.
What data must you know about the the isotopes of an element to calculate the atomic mass of an element?
Number of protons
How do you calculate the atomic mass of bromine?
To calculate the atomic mass of bromine, you would take the weighted average of the isotopic masses of bromine's isotopes, considering their relative abundance in nature. The atomic mass of bromine is approximately 79.904 u.
