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Learn high school chemistry using videos, articles, and NGSS-aligned practice. Explore the fundamentals of atomic structure, chemical bonding, chemical reactions, thermochemistry, solutions, acids and bases, and nuclear chemistry.
Jun 26, 2023 · Chemistry is the study of matter and the changes it undergoes and considers both macroscopic and microscopic information. Matter is anything that has mass and occupies space. The five main disciplines of chemistry are physical chemistry, organic chemistry, Inorganic chemistry, analytical chemistry, and biochemistry.
Learn. Worked example: Atomic weight calculation. The mole and Avogadro's number. Ions and compounds. Learn. Molecules and compounds. Names and formulas of ionic compounds. Learn. Naming ionic compound with polyvalent ion. Practice. This unit is part of the Chemistry library. Browse videos, articles, and exercises by topic.
Jul 18, 2016 · Introduction to chemistry | Atoms, compounds, and ions | Chemistry | Khan Academy - YouTube. Fundraiser. Khan Academy. 8.4M subscribers. Subscribed. 19K. 2.3M views 7 years ago Chemistry....
chemistry, Science that deals with the properties, composition, and structure of substances ( element s and compound s), the reactions and transformations they undergo, and the energy released or absorbed during those processes.
Mar 24, 2021 · Chemistry is the study of matter and the ways in which different forms of matter combine with each other. You study chemistry because it helps you to understand the world around you. Everything you touch or taste or smell is a chemical, and the interactions of these chemicals with each other define our universe.
Jan 23, 2021 · Simply put, chemistry is the study of the interactions of matter with other matter and with energy. This seems straightforward enough. However, the definition of chemistry includes a wide range of topics that must be understood to gain a mastery of the topic or even take additional courses in chemistry.
