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Mass number is the number underneath the elements letter on the Periodic Table.
What else can I help you with?
What is the average mass of the isotope of an element?
the average mass numbers of the isotopes of an element
Why do two isotopes of an element have same atomic numbers but different mass numbers?
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What is the average of the mass numbers of isotopes of an element?
the atomic mass
Why are the atomic mass numbers of an element not hole numbers?
Its the average of the weight of the different isotopes of that element.
How can carbon still be considered a single element and have different mass numbers?
Every element can have different mass numbers; these reflect the number of neutrons in the atom in addition to the protons that determine which element it is.
How to find the mass of an element in a chemical compound?
To find the mass of an element in a chemical compound, you can use the atomic mass of the element from the periodic table and the number of atoms of that element in the compound. Multiply the atomic mass by the number of atoms, and you will get the mass of that element in the compound.
How to find the mass of an element in a compound?
To find the mass of an element in a compound, you can use the formula: mass of element (mass of compound) x (percent composition of element in compound). This formula helps you calculate the mass of a specific element within a compound based on its percentage composition.
What is an element that has the same atomic number but different mass numbers?
Isotopes are elements that have the same number of protons (atomic number) but different numbers of neutrons, resulting in different mass numbers. For example, Carbon-12 and Carbon-14 are isotopes of carbon.
What does isotopes have to do with mass numbers?
isotopes of the same element have different mass number
Which element has two isotopes with mass numbers of 81 and 84?
This chemical element is krypton.
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.
Why do two isotopes of the element have the same atomic number but different mass numbers?
why do you think i looked on this thing to find the answer.YOU TELL ME!
