EAMCET Engineering 2004 Solved Paper

Section: Chemistry

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Question : 80 of 160

Marks: +1, -0

Which of the following is correct?

‌1H1 and ‌2He3 are isotopes
‌6C14 and ‌7N14 are isotopes
‌19K39 and ‌20Ca40 are isotones
‌9F19 and ‌11Na24 are isodiaphers

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