The atomic number of calcium and argon are 20 and 18 respectively, but
the mass number of both these elements is 40. What is the name given to
such a pair of elements?
+91 94284 01196 (WhatsApp only)
C-15, Suvidhapark Society, Amitnagar circle, Karelibaug, Vadodara (390018)
© Copyright 2025. Doubtora. All Rights Reserved
