Atomic structure

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ATOMIC STRUCTUREHe 2 4<strong>Atomic</strong> numberthe number of protons in an atom<strong>Atomic</strong> massthe number of protons andneutrons in an atomnumber of electrons = number of protons
ATOMIC STRUCTUREElectrons are arranged in Energy Levels orShells around the nucleus of an atom.• first shell a maximum of 2 electrons• second shell a maximum of 8 electrons• third shell a maximum of 8 electrons
Page 1 and 2: Mixtures - two or more substances t
Page 3 and 4: HISTORY OF THE ATOM460 BC Democritu
Page 5 and 6: HISTORY OF THE ATOM1898 Joseph John
Page 7 and 8: HISTORY OF THE ATOM1910 Ernest Ruth
Page 9 and 10: HISTORY OF THE ATOMRutherford’s n
Page 11 and 12: Bohr’s Atomelectrons in orbitsnuc
Page 13: ATOMIC STRUCTUREParticleChargeMassL
Page 17 and 18: ELECTRONIC CONFIGURATIONWith electr
Page 19 and 20: DOT & CROSS DIAGRAMSWith Dot & Cros
Page 21 and 22: SUMMARY1. The Atomic Number of an a
Page 23: 1 configuration 6 neutron2 molecule

Atomic structure

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