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Naming inorganic compounds
AP CHEMISTRY TEACHERS – WE HAVE RESOURCES FOR YOUR ENTIRE CLASS TO USE… Identify if a compound is covalent or ionic You will need to know the periodic table You must be able to identify the non-metals, metals, and transition elements in the periodic table You must be able to categorize a compound as ionic…
Bonding Spectrum
In high school chemistry, we learn that Covalent bonds involve the sharing of one or more pairs of electrons between two atoms. We can represent these bonding pair of electrons in a diagram. The electrons are shown to be midway between the two atoms . For a homonuclear bond (two atoms are the same elements), this is approximately…
AP Chemistry Unit 1 – Atomic Structure and Properties
AP Chemistry Unit 1: Review The eight topics in AP Chemistry Unit 1 can be grouped into three sections, which will help you remember how they relate: Section Topics What you learn 1. Counting and identifying matter 1.1 Moles and Molar Mass1.2 Mass Spectra of Elements1.3 Elemental Composition of Pure Substances1.4 Composition of Mixtures How…
How can you determine the number of neutrons in an atom?
How do we determine the number of neutrons in a given atom? First, let’s define some terms that you’ll need to be familiar with. The atomic number of an atom is the number of protons in the nucleus of that atom. The mass number (also called the nucleon number) of an atom is the total…
Rate of reaction
Measuring rate This section aims to cover the following topics: Define chemical reaction rate Define rate expression Relative rates of reaction and stoichiometry ratio Change in concentration over time The rate of a chemical reaction can be thought of as the speed at which a chemical reaction happens and this can be expressed as the…
Entropy – Microstate and Macrostate
The term microstate refers to the behavior of atoms and molecules in terms of how energy is redistributed among the particles in a system. A microstate is the arrangement of molecules within a macrostate, that is, within a system with very specific properties. If atoms have more energy and freedom of movement in a macrostate,…