Structure of nuclei of three atoms X,Y and Z are as follows: (1) X has 90 protons and 146 neutrons (2) Y has 92 protons and 146 neutrons (3) Z has 90 protons and 148 neutrons. Which of the following statements is correct based on above data? |
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(a) |
X and Z are isotopes; Y and Z are isobars |
(b) |
X and Y are isotopes; X and Z are isobars |

(c) |
Y and Z are isobars; X and Y are isotopes |
(d) |
X and Z are isotopes; X and Y are isobars |

Structure of nuclei of three atoms X,Y and Z are as follows: (1) X has 90 protons and 146 neutrons (2) Y has 92 protons and 146 neutrons (3) Z has 90 protons and 148 neutrons. Which of the following statements is correct based on above data? |
|||

(a) |
X and Z are isotopes; Y and Z are isobars |
(b) |
X and Y are isotopes; X and Z are isobars |

(c) |
Y and Z are isobars; X and Y are isotopes |
(d) |
X and Z are isotopes; X and Y are isobars |

1 Answer - 5876 Votes