1. The smallest particle, which contains all the main characteristics of an element is called its atom. Three major parts of an atom: Proton Neutron Electron 2.  Rutherford…

1. Atomic Structure 2. The structure of an atom The smallest particle of matter is called as an atom. 3. Electrons, Protons and neutrons are the fundamental particles of…

Slide 1Chapter 11 Radioactiv e Elements Slide 2 Accidental Discovery of Nuclear Radiation In 1896, French scientist Henri Becquerel accidentally left some uranium samples…

Slide 1 Slide 2 1. The ancient Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided? a) Element b) Electron c) Atom d) Molecule…

1. Electric Charge © Jnana Prabodhini Educational Resource Centre 1 2. We know Electric Bulb, Television which runs on electricity. The necessary electricity required for…

Slide 1 4.2 The Structure of an Atom This 45-foot-tall steel sculpture is made of 10 tons of steel. If a proton had the same mass as the sculpture, then an electron would…

Slide 1 CHAPTER 2 Atoms, Molecules, and Ions Slide 2 History 400 -370 BC - Democritus thought that there must be atoms, “invisible particles”. 384-322 BC – Aristotle…

Slide 1Wake-up 1.Explain the relationship between the following: atomic number, mass number, protons, neutrons, and electrons. 2.How do you find the number of electrons of…

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Slide 1 These notes were typed in association with Physics for use with the IB Diploma Programme by Michael Dickinson For further reading and explanation see: Physics, Tsokos…