3 Question Blog #2 1. Tasks I've completed recently are a lab related to the changes in matter, a lab related to the differences in a physical and chemical change and flipped notes 2. Recently I have learned the difference between chemical and physical properties, along with chemical and physical changes. 3. To improve my understanding I will ask with questions, take time outside of class to go over my flipped notes, and specifically study what different properties are in Chemical and Physical changes.
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Isotopic Abundance Lab The task for this lab was to find the atomic mass of beanium. Each group received 4 different groups of beans. In this case the beans represented the different Atom. We first had to count the number of of each atom in its group and measure its total mass. We then calculated the percent of population by dibided the number of beans by the total. Then we calculated the average mass by dividing the total mass by number of beans. Lastly, to find the Atomic mass we multiplied each isotopes average mass by the percent of population and added the product to the other isotopes. My groups overall atomic mass came out to be .45g. Evidence : Limium|Mass: 7.1 g/ Avg= 1.42 g ( 5 beans) 10% Kidneyum|Mass: 8.5 g/ Avg= 0.53 g ( 15 beans) 30% Peagen: Mass: 7.1 g/ Avg= 0.24 g (30 beans) 60% (1.42g)(10%)+(0.53g)(30%)+(0.24)(60%)/100= 0.4 g
3 Question Blog #3 I have done extensive practice on isotopes and atoms in PHET simulators to experiment how theyre balanced and changed. I have researched to better understand how electrons change charge. I have learned about the elements found in the periodic table, what is found in an atoms nucleus, how to find the number of neutrons in an isotope, and how to calculate mass. I will watch more videos online on how to find the number of electrons in an isotope and its charge. Then I will attempt to solve these problems on my own to see my improvement.
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