Answers

2015-05-22T23:31:28+05:30
ATOMIC NO IS THE NO OF PROTONS IN ONE ATOM OF AN ELEMENT eg atomic no. of carbon is 6. MASS NO  IS TOTAL NO OF PROTONS AND NUETRONS eg mass no of sodium is 23(11p+12n) ISOTOPES HAVE SAME ATOMIC NO BUT DIFF MASS NO.eg chlorine ISOBARS HAVE DIFFERENT ATOMIC NO. BUT SAME MASS NO. eg argon and calcium USES: THEY ARE USED AS FUEL IN NUCLEAR REACTORS,USED IN TREATMENT OF CANCER.
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