Bohr's model of the atom in a clear display case: a positively charged nucleus at the centre with electrons placed on three circular shells. Each shell is marked as an energy level, showing that electrons move in fixed orbits with definite energy.
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Samtech Instruments (JAYSEE brand) is a trusted manufacturer of school science and STEM laboratory equipment, based in Ambala Cantt, India, serving educators for over 20 years (since 2002). We supply a wide range of physics, chemistry, biology, astronomy and renewable-energy teaching kits to schools, dealers and institutions across India, with competitive bulk pricing and full support for government (GeM) tenders.
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