Question

​On the basis of the protons, neutrons and electrons in the samples given below find: SAMPLE PROTONS NEUTRONS ELECTRONS A 19 20 16 B 18 19 18 C 17 20 17 D 17 17 17
a) the cation
b) the pair of isobars and
c) the pair of isotopes
Also give reason in each case.

Answer 1

$$\begin{gathered} Thegivendatasare \\ SampleProtonsNeutronsElectronsMassNo(protons+neutrons) \\ A19201639 \\ B18191837 \\ C17201737 \\ D17171734 \\ a)Cationshavelessnumberofelectronsthanprotons \\ SoAexistas{A}^{3+}(asthreeelectronsarelessthanprotons\left) \\ b\right)Isobarsareformedifpairsofanelementhassamemassnumber. \\ SoBandCareisobars \\ c)Isotpesmeansthenumberofprotonsaresame \\ CandDareisotopes. \end{gathered}$$