CHEMISTRY: UNIT 2 Atomic Theory & Nuclear Chemistry Date Agenda Tues 9-16 Intro Notes: Atomic Theory History Atom & PT Wed 9-17 Go Over p, n, e wksht Notes: Isotopes Activity: M&Mium Thurs 9-18 Fri 9-19 p, n, e quiz Go over Isotopes wksht Notes: Laws, modern atomic theory & Moles Mole Song Go over Moles I wksht Notes: Nuclear Chemistry Laserdisc segment: Radioactive Decay ...
Mass (amu). x. Relative abundance (% as a decimal) . Calculating Average Mass. Atomic mass is the average of all the naturally isotopes of that element. Copper = 63 ...
Chemistry Chemistry In Focus Calculating Atomic Mass Magnesium has three naturally occurring isotopes with masses 23 .99,24 .99, and 25 .98 amu and natural abundances 78 .99, 10 .00, and 11 .01% . Calculate the atomic mass of magnesium.What about this quiz?? Through page 59 Should bring a calculator and a pencil Think Quiz Know Table 1.5 on page 14 Be able to convert back and forth 500 cm = ? m 500m = ? cm Know about intensive (do not depend on amount) and extensive properties (depend on quantity) Quiz Know about the atom – how many protons, neutrons, electrons in 37Cl Know meaning of: Homogeneous mixtures (= solutions ...
Chemistry: How to calculate Atomic Mass of an element, Isotopes, Isotope Notation, Atomic Mass Unit (amu), Relative atomic mass, How to Calculate Isotope Some of the atoms of certain isotopes are unstable because of the extra number of neutrons, and they are said to be radioactive.
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