The total number of isotopes of hydrogen and number of radioactive isotopes among them, respectively, are (a) 2 and 0 (b) 3 and 2 are (a) 2 and 0 (b) 3 and 2 respectively The total number of isotopes of hydrogen and number of radioactive isotopes among them November 28, 2020 Category: Uncategorised (JEE Advanced [...]