The Big and the Small Atoms and the Periodic Table Quantum nature

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Presentation transcript:

The Big and the Small Atoms and the Periodic Table Quantum nature Lec 09: Matter The Big and the Small Atoms and the Periodic Table Quantum nature

The Big and The Small The Power of Ten Q1. If the Sun was the size of an orange, what and where should be Earth to represent correctly our Solar system to scale? Sun size: 109x Earth Earth-Sun Distance: 215 x Sun Radius

Atoms vs. the Solar System

The Big and The Small Q2. If the nucleus was the size of an orange, where should be the next nucleus of two adjacent Hydrogen atoms? Atomic size: 316 x Nucleus Mass of nucleus: approx. 2000 x electron

Pictures from the Microscopic World Scanning Tunneling Microscope (1986 Physics Nobel) Atomic Force Microscope

Inside the Atom Nucleus: Protons and Neutrons Electrons around the Nucleus Number of protons = Number of Electrons Protons and Neutrons add up to almost all the mass of the atom Element determined by number of protons/electrons

Pictures from the Microscopic World

Molecules

What are they really….? Dr. Quantum: Double Slit Experiment