select the correct answer.\nread the information about the three atoms given in the table. which of them are…

select the correct answer.\nread the information about the three atoms given in the table. which of them are isotopes of each other?\natoms atomic number mass number\nx 10 20\ny 10 21\nz 11 20\na. x and y\nb. x and z\nc. y and z\nd. x, y, and z\ne. there are no isotopes among these atoms

select the correct answer.\nread the information about the three atoms given in the table. which of them are isotopes of each other?\natoms atomic number mass number\nx 10 20\ny 10 21\nz 11 20\na. x and y\nb. x and z\nc. y and z\nd. x, y, and z\ne. there are no isotopes among these atoms

Answer

Brief Explanations:

Isotopes are atoms of the same element (same atomic number, which equals the number of protons) that have different mass numbers (different numbers of neutrons, since mass number = protons + neutrons). Atoms X and Y both have an atomic number of 10, meaning they are the same element, but have different mass numbers (20 and 21). Atom Z has a different atomic number (11), so it is a different element.

Answer:

A. X and Y