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It's the atomic number + the number of neutrons

to find the average atomic mass you must multiply the mass by it's percent natural abundance. do that for each isotope and add your answers together

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How are atomic mass on the periodic table calculated?

Atomic mass is determined by mass spectrometry.


How is the atomic mass calculated for neon?

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What is the calculated atomic mass of boron?

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What does the formula atomic mass minus the atomic number equal?

By subtracting the mass number and the atomic number, the number of neutrons can be calculated.


What is the reduced mass of deuterium?

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What determines the atomicity of the elements?

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The number of neutrons in the nucleus of an atom can be calculated by what?

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What is the difference in molar mass and atomic mass?

molar mass is the actual mass of the one atom but relative mass is the average isotopes of the atoms.------------------------------------------Atomic mass is the mass of an isotope, expressed in atomic mass units.Molar mass is the mass of molecule, calculated from the atomic weights of the contained chemical atoms, expressed in grams.


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An atom has 11 protons and 12 neutrons Its atomic mass is?

The atomic mass of an atom with 11 protons and 12 neutrons is calculated by adding the number of protons and neutrons together. In this case, the atomic mass would be 11 (protons) + 12 (neutrons) = 23 atomic mass units.


What is atomic mass of gold ion?

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Which is smaller titanium or zirconium?

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