Some basic concepts of chemistry
Introduction to chemistry
Atomic weight and atomic mass
Atomic weight calculation
The mole and avogadro s number
Atomic number mass number and isotopes
Worked example identifying isotopes and ions
Introduction to ions
Naming ions and ionic compounds
Empirical molecular and structural formulas
Molecular mass and molecular weight
Naming ions and ionic compounds
Common polyatomic ions
Naming ionic compound with polyvalent ion
Formula for ionic compounds
Click this link to view the KHAN ACADEMY® Chemistry topics:
https://www.khanacademy.org/math
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KHAN ACADEMY® offers great materials that can help build your skills in subjects that are important to you.
You can master basic concepts, explore subjects further or reinforce your knowledge − at your own pace.
KHAN ACADEMY® offers great materials that can help build your skills in subjects that are important to you.
You can master basic concepts, explore subjects further or reinforce your knowledge − at your own pace.
Wherever you are in your learning journey, here are links to free materials that may be useful to identify both your strengths and any knowledge gaps in key background subjects.