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South Pasadena AP ChemistryName ________________________________ Period ___ Date ___/___/___ 2 Atoms and Elements STUDY inclination of an orbit The Development of the Atomic Theory: I terminate: ? rural ara the four signpost scientists, their experiments, what they added to the moteic theory, and the name of their model. ? localise the tierce theories that Dalton informed in terms of atoms: o integrity of conservation of Matter o Law of Definite/Constant Proportions o Law of ninefold Proportions ? Give examples and solve calculation problems related to separately of the cardinal theories. ? survey a cathode ray tube as exhibit in class and state how J.J. Thomsons experiments take to the topic that atoms have positive and negative separate, the negative parts are all the said(prenominal), and the negative parts (cal lead electrons) have a certain charge/ intensity ratio. ? Define cathode rays. ? State the factors tha t externalize how much a moving charged particle go away be deflected by an electric or magnetic field. ? rationalise Millikans oil drop experiment & how it added to the thermonuclear theory.

? Sketch the set-up used by Ernest Rutherford (the gold-foil experiment), show what he observed, and explain how these observations led to the idea that most of the mass of the atom is difficult into a tiny, amazingly massive, positively-charged nucleus. Parts of the Atom: ? State the three particles that identify up an atom, their symbol, their charge, their mass, and their location. ? State the number of protons, neut rons, and electrons in any atom or ion. ?! Explain that isotopes are ii atoms with the same atomic number (number of protons) but different mass poem (number of nucleonsprotons + neturons). ? wreak the nucleus with isotopic notation, such as: Rn ? Recognize when two nuclei are isotopes of each other. Molar voltaic pile Calculations: ? Calculate the isotopic mass of an atom given the resting mass of protons and neutrons. ? Explain that a mole of any element is...If you wishing to get a full essay, order it on our website: OrderCustomPaper.com

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