ChemistryCLASS 10CBSE
answered 20 May 2026Na-22 vs Na-23
A.VERIFIED ANSWERfact-checked by tutors
Na-23 is the naturally occurring stable form; Na-22 is a radioactive isotope used in PET scans. For all school chemistry: atomic mass of Na = 23 u.
Na-23 is the naturally occurring stable form; Na-22 is a radioactive isotope used in PET scans. For all school chemistry: atomic mass of Na = 23 u.