My Essay

South Pasadena AP ChemistryName ________________________________ Period ___ Date ___/___/___ 2 Atoms and Elements STUDY mention The Development of the Atomic Theory: I terminate: ? convey the four signpost scientists, their experiments, what they added to the moteic theory, and the name of their model. ? localise the trine theories that Dalton informed in terms of atoms: o integrity of conservation of Matter o Law of Definite/Constant Proportions o Law of triofold Proportions ? Give examples and solve calculation problems related to separately of the three theories. ? survey a cathode ray tube as show in class and state how J.J. Thomsons experiments take to the sentiment that atoms have positive and negative separate, the negative parts atomic number 18 all the corresponding, and the negative parts (cal lead electrons) have a certain charge/ gage ratio. ? Define cathode rays. ? State the factors that picture how mu ch a moving charged particle go away be deflected by an electric or charismatic field. ? rationalise Millikans oil drop experiment & how it added to the atomic 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 grueling 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, neutrons, and electrons in any atom or ion. ? Explain that isotopes are ii atoms with t! he same atomic number (number of protons) but different mass rime (number of nucleonsprotons + neturons). ? wreak the nucleus with isotopic notation, such as: Rn ? Recognize when two nuclei are isotopes of each other. Molar throne 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 deficiency to get a full essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay