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The Atomic Mass is the total mass of all the sub atomic particles (i.e. the mass of the whole atom): Electrons, Neutrons and Protons.
Therefore, it identifies isotopes (as they have different number of sub atomic particales - even for the same element) and thus total mass differs.
There can be a fair amount of difference between the Atomic Mass of the most common isotope of an element and its Atomic Weight - which is averaged (weighted average). This makes a difference for single atom calculations, but makes little real difference in bulk calculations.
What else can I help you with?
Do you need atomic number to find atomic mass?
No, you do not need the atomic number to find the atomic mass of an element. The atomic mass is the weighted average of the masses of the isotopes of an element, whereas the atomic number is the number of protons in the nucleus.
What is the atomic mass for magnesiam?
The atomic mass of magnesium is approximately 24.305 amu (atomic mass units).
Which element has a greater atomic mass A or B?
Element A has a greater atomic mass than element B if the atomic mass value of A is higher. The atomic mass represents the average mass of an element’s isotopes based on their abundance in nature.
Which element has an atomic mass of 16.00?
the element that has an atomic mass of 16.00 is sulfer.
What element has an atomic mass of 131?
The element with atomic mass 131 is Iodine (I)
Do you need atomic number to find atomic mass?
No, you do not need the atomic number to find the atomic mass of an element. The atomic mass is the weighted average of the masses of the isotopes of an element, whereas the atomic number is the number of protons in the nucleus.
What is the atomic mass for magnesiam?
The atomic mass of magnesium is approximately 24.305 amu (atomic mass units).
Which element has the atomic mass of 126.9045?
The element is Iodine (I). It has an atomic mass of about 126.9.
What element has the highest atomic mass?
The element with the highest atomic mass is Oganesson.
Which element has a greater atomic mass A or B?
Element A has a greater atomic mass than element B if the atomic mass value of A is higher. The atomic mass represents the average mass of an element’s isotopes based on their abundance in nature.
Which element has an atomic mass of 16.00?
the element that has an atomic mass of 16.00 is sulfer.
What element has an atomic mass of 131?
The element with atomic mass 131 is Iodine (I)
What is the atomic mass of the element gold?
gold is a meta element. Atomic mass of it is 197.
What is the atomic mass of this element Au?
Gold is a meta element. Atomic mass of it is 197.
What is the atomic mass of the element iron?
Iron is a meta element. Atomic mass of it is 56.
What is the atomic mass of the element flourin?
Fluorine is a meta element. Atomic mass of it is 19.
What element has 89 atomic mass?
The element with atomic number 89 is actinium, not atomic mass. The atomic mass of actinium is approximately 227 g/mol.
