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High School Chemistry: Atoms, Molecules, and Ions

This course prepares you for the Regents Exam in Chemistry by explaining the periodic table and chemical formulas.

Publisher: ADU
This course is designed to teach basic concepts of the periodic table. It analyzes properties of the periodic table relevant to successfully writing chemical formulas. The categorization of elements into groups and periods is also carefully explained to fulfill the needs of learners taking the Regents Exam in Chemistry in New York State but the course is a good refresher for any chemistry student.
High School Chemistry: Atoms, Molecules, and Ions
  • Duration

    3-4 Hours
  • Students

  • Accreditation


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Do you struggle with formulas in chemistry? This free course examines the categorization of elements on the periodic table to provide a better understanding of chemical formulas. It will improve your understanding of the origins of standardized element categorization, as well as cover more newly discovered elements and those yet to be discovered. Furthermore, you will learn about various periodic trends related to elements based on their physical properties. Analyze different aspects of the electrons of atoms including valency, configurations, and dot formulas. Do you  want to learn about interesting ways of predicting the charges, electron configurations, and physical properties of elements based on their respective groups or periods? Then, enroll in this course to find out about specific methods for each prediction based on the periodic table.

Are you a student who wants to avoid the problems connected to balancing chemical equations? Or a teacher who wants your students to grasp the basics of chemical formulas? To successfully pass this second certificate in a series of Regents Exams in Chemistry, there are fundamental requirements in writing chemical formulas that must be passed. This covers ions, atoms, and compounds all related by the periodic table. This course teaches you the basics of each using simple details to help you recall the correct classifications of both monatomic and polyatomic ions based on their distinct properties. This will also improve your ability to name chemical formulas for common monatomic ions, polyatomic ions, binary ionic compounds, and molecular compounds.

It is common in science to predict and use many hypotheses to better understand observations and situations through evidence. The evidence that is specially used in formulas, atoms, and ions in chemistry is the chemical reaction equations you have learnt. As for moles in chemistry, they are the evidence used in stoichiometry covering empirical and molecular formulas, and even mass-volume calculations. These concepts are all combined to aid simple predictions on ionic compounds that are soluble in water together with conventional solubility rules. It is also typical in science to understand all types of changes, including the microscopic ones chemistry tends to observe more. This course outlines general observations of both physical and chemical changes together with their properties. Start today to learn all about formula writing and the periodic table especially useful to your Regents Exam in Chemistry!

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