UPSC NDA I 2012 General Ability Paper
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Question : 71 of 150
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Which of the following pairs is/are correctly matched?
1. Isotopes: Atoms with same atomic number but different atomic mass
2. Isobars : Atoms with same number of neutrons but different atomic number
3. Isotones: Atoms with same mass number but different atomic number
Select the correct answer using the code given below:
Code:
1. Isotopes: Atoms with same atomic number but different atomic mass
2. Isobars : Atoms with same number of neutrons but different atomic number
3. Isotones: Atoms with same mass number but different atomic number
Select the correct answer using the code given below:
Code:
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