A practice question on Chemistry
AS LEVEL CHEMISTRY A ATOMS ELECTRON STRUCTURE PERIODICITY (a) – (d) Mock Test for AS Answer all questions Max 77 marks Name …………………………………………………………….. Mark ……../77 ……....% Grade ……… 1. The element titanium, Ti, atomic number 22, is a metal that is used in the aerospace industry for both airframes and engines. A sample of titanium for aircraft construction was analysed using a mass spectrometer and was found to contain three isotopes, 46 Ti, 47 Ti and 48 Ti. The results of the analysis are shown in the table below. isotope 46 Ti 47 Ti 48 Ti relative isotopic mass 46.00 47.00 48.00 p...