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Ionisation energy is defined as the energy required to remove an electron from a gaseous atom or ion. As we descend down a periodic group we must think about how the atomic radius...
The colour of light is determined by its wavelength. White light is made up of electromagnetic radiation (photons) that spans the range 400nm - 700nm, the visible part of the E.M. spectrum. When white lig...
When an ionic compound is a solid, the ions in the ionic lattice are held together by ionic bonds. Due to this, the ions are not free to move around and so cannot carry a charge. When the ionic compound i...
H2SO4 + 2NaOH → Na2SO4 + 2H2OConcordant titres: 26.15 cm3 and 26.25 cm3Mean titre: (26.15+26.25)/2= 26.2 cm3...
To work this out we need the equation:Number of moles = Mass (in grams) / Mr (relative formula mass)We know the mass of carbon dioxide already (88g). We need to work out the Mr of carbon dioxi...
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