Atomic structure

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1. An atom’s electron arrangement is also known as its electron ___.2. A __ is composed of two or more atoms, joined together by covalentbonds.3. Almost all the volume occupied by an atom is ___ space.4. The total number of protons and neutrons in an atom is known as its___ number.5. At the centre of an atom is a very ___, very dense, positively-chargednucleus.6. The particle with no charge inside atoms is called the ___.7. The positively-charged particles inside atoms are called ___.8. Ions with a positive charge have ___ electrons.9. Positively-charged ___ particles were used to discover the <strong>structure</strong>of the atom.10. To calculate the number of neutrons, ___ atomic number from massnumber.
1 configuration 6 neutron2 molecule 7 protons3 empty 8 lost4 mass 9 alpha5 small 10 subtract
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 and 14: ATOMIC STRUCTUREParticleChargeMassL
Page 15 and 16: ATOMIC STRUCTUREElectrons are arran
Page 17 and 18: ELECTRONIC CONFIGURATIONWith electr
Page 19 and 20: DOT & CROSS DIAGRAMSWith Dot & Cros
Page 21: SUMMARY1. The Atomic Number of an a

Atomic structure

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