CH-2010 Study Guide - Final Guide: Mass Number, Oil Drop Experiment, Salt
7 Mar 2018
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Chapter 1- properties and measurement: elements: species of atoms that all have the same properties, eg: gold, hydrogen, potassium, compounds: materials that contain more than one element, eg: table salt (nacl) Isotopes: atoms with the same number of protons but different number of neutrons. J. j thomson: cathode ray tube experiment: robert millican: oil drop experiment, curries: discovered other radioactive particles, rutherford: discovered other radioactive particles, gold foil experiment. Chapter 3- waves, light, and electrons: einstein: photoelectric effect. Then, every drop was given a random charge by an x- ray. Incorrect: radioactive particle discovery, beta particles ( ): negative charge, gamma rays: neutral charge, alpha particles ( ): positive charge with heavy mass, gold foil experiment: alpha particles were shot at a piece of gold foil. Chapter 3- waves, light, and electrons: double slit experiment- diffraction of particles and waves: particles and waves were shot i(cid:374) the ge(cid:374)eral dire(cid:272)tio(cid:374) of a (cid:858)(cid:449)all(cid:859) (cid:449)ith 2 slits.
