Zadanie 1
A sample of an element was analysed in a mass spectrometer and gave the spectrum shown. Which element gave this spectrum? A. Sc B. Ti C. V D. Cr
- Materiał graficzny
Read the mass spectrum of an element to identify its isotopes from the m/z values and their relative abundances from peak heights, then combine them to calculate the relative atomic mass.
Tę umiejętność sprawdza 11 zadań wzorowanych na arkuszach IB z lat 2022–2026.
A sample of an element was analysed in a mass spectrometer and gave the spectrum shown. Which element gave this spectrum? A. Sc B. Ti C. V D. Cr
The mass spectrum of a sample of an element shows two peaks. What is the relative atomic mass of the element? A. 6.1 B. 6.5 C. 6.9 D. 7.0
Bromine is a diatomic element made up of two isotopes, and , in an approximately 1 : 1 ratio. Which graph shows the full mass spectrum of bromine? A. Graph A B. Graph B C. Graph C D. Graph D
The sample produces the following mass spectrum. (i) Explain why the three peaks around m/z 72 have different relative heights. (ii) From the sample, calculate the relative atomic mass of chlorine, giving your answer to two decimal places.
Use the mass spectrum shown to determine the relative atomic mass of chromium.
The mass spectrum of a sample of element X is shown. What is the relative atomic mass of X? A. 69.0 B. 69.8 C. 70.0 D. 70.2
Neon has three naturally occurring isotopes, , and . (i) Identify the technique used to determine the relative abundances of the isotopes of neon. A sample of neon contains 90.2 % of , 0.3 % of…
Thallium (Ar = 204.38) consists of two stable isotopes, and . What is the relative abundance of ? A. 31 % B. 38 % C. 62 % D. 69 %
Iron has a number of natural isotopes. A sample of iron was enriched in to produce a mixture with the following composition: (i) Calculate the relative atomic mass of the enriched sample, giving your answer to two decimal places. (ii) Natural…
Which value is the relative atomic mass of the element that gives the mass spectrum shown below? A. 40 B. 41 C. 42 D. 44
The mass spectrum for silver is shown. Show how a relative atomic mass of silver of 107.96 can be obtained from this mass spectrum.
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