Pogil atomic structure and beginning to read the periodic table

Unit 2 Atomic Structure

pogil atomic structure and beginning to read the periodic table

POGIL: Atomic Structure and Beginning to read the periodic table. Why? Atoms make up everything around usfrom the food on our plate to the materials that.

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This lesson addresses NGSS HS-PS, Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms. The goal of the lesson is to provide evidence that electrons exist and they are located in different energy levels, in varying quantities. This process illustrates evidence that subatomic particles are present within an atom and further builds a foundation for exploration of HS-PS Patterns are illustrated as students continue to see that as elements atomic numbers change so do the number of protons and electrons. However, this concept is expanded when students see that electrostatic forces are present between subatomic particles.

The organization of elements on the periodic table reflects trends in both atomic structure and element properties. Lesson 1 Lesson 2 Pre-Assessment activity: What does an atom look like? Sort the beanium atoms into three groups, each group representing a different isotope. In the observation section, sketch a picture of each beanium isotope to distinguish between each isotope. Fill out the Recording and Calculations section using appropriate units.

Be able to state how certain properties of atoms vary based on their relative position on the periodic table. One of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. The variation of properties versus position on the periodic table is called periodic trends. There is no other tool in science that allows us to judge relative properties of a class of objects like this, which makes the periodic table a very useful tool. Many periodic trends are general. There may be a few points where an opposite trend is seen, but there is an overall trend when considered across a whole row or down a whole column of the periodic table.

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Periodic Trends

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