About This Chapter
MCAS ST&E Chemistry: The Periodic Table - Chapter Summary
The lessons in this chapter can help you get ready for questions on the MCAS ST&E Chemistry exam concerning the periodic table and its various elemental groups and trends. By the time you finish reviewing with this chapter, you'll have given your knowledge a boost regarding all of the following:
- The properties of groups and periods within the periodic table
- The electron shell
- Valence electrons
- The energy level of atoms of elements
- Atomic and ionic radii
- Ionization energy
- Boiling point, metallic character, and the diagonal relationship
- Transition metals as opposed to main group elements
Each of these lessons gives you the opportunity to test your understanding with a practice quiz that you can take and re-take at your discretion. Rather than having to go back and search through the lesson should you answer incorrectly, each of these quizzes will provide you with the option to jump right back to the relevant point of the lesson if you get a question wrong. You can also print out the quizzes as worksheets for further offline study.
1. The Periodic Table: Properties of Groups and Periods
How is the periodic table like the map you used on your last road trip? In this lesson, you will be introduced to the periodic table, the road map of chemists. We will discuss how the elements are organized and how you can use this organization to identify some of their major physical properties.
2. The Electron Shell
You may be familiar with the role of electrons in electrical devices, but did you know that electrons also determine the chemical reactivity of everything around you?
3. Valence Electrons and Energy Levels of Atoms of Elements
The periodic table contains a wealth of information. This lesson will explain how to use it to quickly determine the most useful information about the most important electrons. We will be focusing our discussion on valence electrons and energy levels.
4. Atomic and Ionic Radii: Trends Among Groups and Periods of the Periodic Table
Atoms are VERY tiny. How do we measure their size? This lesson will explain how the size of an atom is measured and teach you how to predict the relative size of an atom based on where it is located on the periodic table.
5. Ionization Energy: Trends Among Groups and Periods of the Periodic Table
Do you know someone who has undergone radiation as a form of cancer treatment? Have you ever thought about why X-rays have health risks? Watch the video to find out what these types of radiation are really doing to atoms, define ionization energy and identify ionization trends on the periodic table.
6. Electronegativity: Trends Among Groups and Periods of the Periodic Table
How is fluorine like a child that doesn't share his or her toys? Find out in this video on electronegativity where we will discuss group and periodic trends among the elements.
7. The Diagonal Relationship, Metallic Character, and Boiling Point
What may have once seemed like a bunch of random squares with letters in them is now shaping up to be one very organized chemistry reference. In this lesson you will discover three other trends that are found on the periodic table: the diagonal relationship, trends in metallic character, and trends in boiling point.
8. Transition Metals vs. Main Group Elements: Properties and Differences
Which is better: to be steadfast and consistent or to be a colorful chameleon? This lesson compares and contrasts the main group elements and the transition metals. Then make your own decision!
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Other chapters within the MCAS - Science & Technology-Engineering - Chemistry: Test Prep & Practice course
- MCAS ST&E Chemistry: Matter & Energy
- MCAS ST&E Chemistry: Atomic Structure
- MCAS ST&E Chemistry: Nuclear Chemistry
- MCAS ST&E Chemistry: Types of Chemical Bonds
- MCAS ST&E Chemistry: Chemical Compounds & Bonds
- MCAS ST&E Chemistry: Stoichiometry & Chemical Equations
- MCAS ST&E Chemistry: Properties & Laws of Gases
- MCAS ST&E Chemistry: Thermodynamics
- MCAS ST&E Chemistry: Solutions
- MCAS ST&E Chemistry: Chemical Reactions
- MCAS ST&E Chemistry: Chemical Equilibrium
- MCAS ST&E Chemistry: Acids, Bases, Oxidation & Reduction
- MCAS ST&E Chemistry: Scientific Method & Inquiry
- MCAS ST&E Chemistry: Laboratory Equipment & Techniques
- MCAS ST&E Chemistry: Mathematics Principles in Chemistry
- MCAS - Science & Technology-Engineering - Chemistry Flashcards