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ProfessorVariations in Atomic Mass are due to the presence of isotopes, which are different forms of an element with the same number of protons but different numbers of neutrons. This causes some atoms of the same element to have slightly different masses. This is why atomic masses are usually given as a range or average value to account for these variations.
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Which sub atomic particles cause isotopes to appear?
Isotopes are caused by variations in the number of neutrons in an atom's nucleus. Neutrons are subatomic particles that do not carry an electric charge and contribute to an atom's mass. The different number of neutrons in isotopes result in variations in atomic mass.
Does an isotope of an element have a different atomic mass?
Yes, isotopes of an element have the same number of protons but different numbers of neutrons, leading to variations in atomic mass. This is why the atomic mass on the periodic table is often listed as a range for an element.
The mass of an atom usually expressed in atomic mass units is its?
Atomic mass.
What is the atomic mass of silver?
The atomic mass of silver is approximately 107.87 atomic mass units.
What is the atomic mass of aluminum?
The atomic mass of aluminum is approximately 26.98 atomic mass units.
