Читать книгу U Can: Chemistry I For Dummies - Hren Chris - Страница 4

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In this part …

✔ Discover how to deal with, organize, and use all the numbers that play a huge role in chemistry. In particular, find out about exponential and scientific notation as well as precision and accuracy, and use significant figures to express the accuracy of measurements and calculations.

✔ Convert many types of units that exist across the scientific world. Use the factor label method to accurately and easily perform these conversions. Calculate the density of substances and look at derived units.

✔ Determine the arrangement and structure of subatomic particles in atoms. Examine the history of atomic discovery and the importance it plays in science today. Protons, neutrons, and electrons play a central role in everything chemistry, and you find their most basic properties in this part.

✔ Get the scoop on the arrangement of the periodic table and the properties it conveys for each group of elements. Just from looking at the periodic table and its placement of elements, you can find so much information, from electron energy levels to quantum numbers, ionic charge, and more.