OCR AS LEVEL CHEMISTRY A PAPER 2 QUESTION PAPER 2023 (H032/02: Depth in chemistry)

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OCR AS LEVEL CHEMISTRY A PAPER 2 QUESTION PAPER 2023 (H032/02: Depth in chemistry). DOWNLOAD OFFICIAL AND VERIFIED OCR AS LEVEL CHEMISTRY A PAPER 2 QUESTION PAPER 2023 ON www.leakedexams.com.

1 This question is about titanium (atomic number 22) and its compounds.
(a) Titanium exists as a mixture of five isotopes.
Â A chemist analyses a sample of titanium using mass spectrometry.
Â The results are shown in the table below.
Isotope Abundance (%)
46Ti 8.30
47Ti 7.40
48Ti 73.70
49Ti 5.40
50Ti 5.20
Â (i) Calculate the relative atomic mass of titanium in the sample.
Â Give your answer to 2 decimal places.
relative atomic mass = ......................................................... [2]
Â (ii) Complete the electron configuration of a titanium atom.
1s2 ................................................................................................................................ [1]
Â (iii) Complete the table to show the number of protons, neutrons and electrons in a
48Ti2 ion.
Protons Neutrons Electrons
48Ti2 ion
[1]

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Author	OCR KING
Published	30 Jul 2024
Included files	PDF
H032 H032/02 OCR AS LEVEL CHEMISTRY A PAPER 2 QUESTION PAPER 2023 OCR AS LEVEL CHEMISTRY A PAPER 2 OCR CHEMISTRY A PAPER 2 2023 CHEMISTRY A PAPER 2 OCR OCR CHEMISTRY A 2023 OCR AS LEVEL CHEMISTRY A PAPER 2 2023 AS LEVEL CHEMISTRY A 2023 OCR