Daily Practice · GCSE Science
Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
- 1Bonding, Structure and Properties of Matter
State the charge on a calcium ion (Group 2).
- 2Chemical Bonding: Ionic, Covalent and Metallic
Describe metallic bonding.
- 3Structures, Properties and Nanoparticles
State the size range of a nanoparticle.
- 4Quantitative Chemistry
A student measures the mass of a beaker of hydrochloric acid and marble chips as they react and finds it falls. Explain why.
- 5Moles, Formulae and Equations
Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
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