DP Chemistry Questionbank

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• 18M.3.hl.TZ2.4a.v: Determine the density, in g cm−3, of vanadium by using your answers to (a)(i), (a)(iii) and (a)(iv).
• 18M.3.hl.TZ2.4a.iv: Determine the volume, in cm3, of a vanadium unit cell.
• 18M.3.hl.TZ2.4a.iii: Calculate the average mass, in g, of a vanadium atom by using sections 2 and 6 of the data booklet.
• 18M.3.hl.TZ2.4a.ii: Calculate the expected first order diffraction pattern angle, in degrees, if x-rays of wavelength...
• 18M.3.hl.TZ2.4a.i: Deduce the number of atoms per unit cell in vanadium.
• 18M.3.hl.TZ1.5d.ii: Outline why the resistance of aluminium increases above 1.2 K.
• 18M.3.hl.TZ1.5d.i: Deduce what the shape of the graph indicates about aluminium.
• 18M.3.hl.TZ1.5c: When X-rays of wavelength 0.154 nm are directed at a crystal of aluminium, the first order...
• 18M.3.hl.TZ1.5b: The diagram illustrates the crystal structure of aluminium metal with the unit cell indicated....
• 17N.3.hl.TZ0.8b.ii: Determine a value for the density of cobalt, in g cm–3, using data from sections 2 and 6 of the...
• 17N.3.hl.TZ0.8b.i: The atomic radius, r, of cobalt is 1.18 × 10–8 cm. Determine the edge length, in cm, of the unit...
• 17N.3.hl.TZ0.8a: Calculate the total number of cobalt atoms within its unit cell.
• 17N.3.hl.TZ0.6b: Explain why Type 2 superconductors are generally more useful than Type 1.
• 17M.3.hl.TZ2.5c.iii: Contrast type 1 and type 2 superconductors by referring to three differences between them.
• 17M.3.hl.TZ2.5c.ii: Rhodium is a type 1 superconductor. Sketch graphs of resistance against temperature for a...
• 17M.3.hl.TZ1.8c: Outline why superconductivity only occurs at low temperatures.
• 17M.3.hl.TZ1.8b: Lanthanum becomes superconducting below 5 K. Explain, in terms of Bardeen–Cooper–Schrieffer (BCS)...
• 17M.3.hl.TZ1.8a: Lanthanum has a hexagonal close packed (hcp) crystal structure. State the coordination number of...
• 16N.3.hl.TZ0.9b: Outline one difference between type 1 and type 2 superconductors.
• 16N.3.hl.TZ0.9a: Describe the Meissner effect.
• 16N.3.hl.TZ0.8b: (i) The mass of one unit cell of chromium metal is 17.28 × 10−23 g. Calculate the number of unit...
• 16N.3.hl.TZ0.8a: (i) The diagram below shows the diffraction of two X-ray beams, y and z of wavelength λ, shining...
• 16M.3.hl.TZ0.3e: (i) Polonium metal has a simple cubic structure. Construct a unit cell diagram and state the...
• 16M.3.hl.TZ0.3d: (i) Outline the cause of electrical resistance in metallic conductors. (ii) The resistance of...