Chlorine naturally exists as two isotopes, \(_{17}^{35}\textrm{Cl}\) (chlorine-35) and \(_{17}^{37}\textrm{Cl}\) (chlorine-37). The abundance of chlorine-35 is 75% ...
\({\%~of~an~element} = \frac{mass~of~an~element~in~the~compound}{relative~formula~mass~M_r} \times 100\) There are six atoms of hydrogen in the compound, so the mass ...
Get the CBSE Class 9th Science chapter, Atoms and Molecules: Important topics and questions to prepare for CBSE Class 9 Science Examination, 2017-2018. This will provide you with a very clear idea ...
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