The total number of isotopes of hydrogen and number of radioactive isotopes among them, respectively: |
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(a) |
2 and 0 |
(b) |
3 and 2 |

(c) |
3 and 1 |
(d) |
2 and 1 |

The total number of isotopes of hydrogen and number of radioactive isotopes among them, respectively: |
|||

(a) |
2 and 0 |
(b) |
3 and 2 |

(c) |
3 and 1 |
(d) |
2 and 1 |

1 Answer

127 votes

Total number of isotopes of hydrogen is 3

,

And only is an Radioactive element.

127 votes

127