Question

WILL GIVE BRAINLIEST FOR BOTH CORRECT ANSWERS WILL REPORT LINKS AND OR SPAM

Answer 1

1. Definition Of Isotope:

Two or more forms of the same element contain equal amounts of protons but different amounts of neutrons.

2. What Does The Number Next To Isotopes Signify?

Atomic mass is the number next to the isotope.

3. How Can You Tell Isotopes Apart?

To tell the difference,  isotopes will have different atomic mass than other atoms that make the same element.

            Hope this helps!

      ~Hocus Pocus

Answer 2

Answer:

Explanation:

a) Isotope, one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behaviour but with different atomic masses and physical properties.

b) The number indicates the isotope's mass number.

c) Isotopes can be told apart by their mass numbers. Isotopes of the same element have the same quantity of protons in their nuclei.