Table of Contents
Are isotopes atoms of the same element with different masses?
Isotopes are atoms of the same element that have different numbers of neutrons but the same number of protons and electrons. The difference in the number of neutrons between the various isotopes of an element means that the various isotopes have different masses.
How are isotopes of an element different?
Isotopes are members of a family of an element that all have the same number of protons but different numbers of neutrons. The number of protons in a nucleus determines the element’s atomic number on the Periodic Table.
How do isotopes affect the atomic mass of an element?
Explanation: The quoted atomic mass on the Periodic Table is the WEIGHTED average of the individual isotopic masses. The higher the isotopic percentage, the MORE that isotope will contribute to the isotopic mass. For this reason, most masses that are quoted on the Table are non-integral.
Do isotopes change atomic mass?
Isotopes are atoms that have the same number of protons, but different numbers of neutrons. Moles are just a specific number of atoms, so changing the number of neutrons will increase or decrease the atomic mass depending on isotopes you are comparing.
Are isotopes atomic mass?
The isotopes of an element have different masses and are identified by their mass numbers. An element’s atomic mass can be calculated provided the relative abundances of the element’s naturally occurring isotopes and the masses of those isotopes are known.
Which isotopes have the same atomic number?
All atoms of an element have the same atomic number. All isotopes of the same element, such as hydrogen, have the same number of protons (same atomic number) but different numbers of neutrons in their nuclei. There are three isotopes of hydrogen; hydrogen-1, hydrogen-2, and hydrogen-3.