130,811 views
30 votes
30 votes
Isotope A contains 56 protons and 80 neutrons. Isotope B contains 55 protons and 81 neutrons. Isotope C contains 57 protons and 80 neutrons. Isotope D contains 56 protons and 74 neutrons. Which are isotopes of the same element?

User NoComprende
by
2.0k points

1 Answer

24 votes
24 votes

Answer:

isotope A and isotope D

Step-by-step explanation:

why they contains the same number of protons

User Wiki
by
2.9k points