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25/12/2022
May πΊππππ πͺπππππ bring you everything you wished forπππ.
20/12/2022
β’ PROBLEM OF THE DAY. π€
a. What is a mass spectrum?
b. Chlorine has two isotopes. The isotopic mass and percentage abundance of the heavier isotope are 36.98 and 24.95% respectively.
i) Calculate the isotopic mass of the lighter isotope;
ii) Sketch the mass spectrum of chlorine element.
[Ar(Cl ) = 35.5 ]
20/12/2022
Which of the following units is not a S. I units?
A. metre
B. kilogram
C. yard
D. seconds.
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