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Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
The following outline acts as an overview of and topical guide to chemistry: . Chemistry is the science of atomic matter (matter that is composed of chemical elements), especially its chemical reactions, but also including its properties, structure, composition, behavior, and changes as they relate to the chemical reactions.
Celebrating Chemistry is designed to engage and educate children (Grades 4th - 6th) in the basic principles of chemistry and are available in both English and Spanish. Most editions are aligned with either National Chemistry Week (NCW) or Chemists Celebrate Earth Week (CCEW) and contain articles, experiments, and puzzles based on each year's ...
Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. [1] [2] Modern science is typically divided into two or three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the behavioural sciences (e.g., economics, psychology, and sociology ...
Chemistry education is important because the field of chemistry is fundamental to our world. The universe is subject to the laws of chemistry, while human beings depend on the orderly progress of chemical reactions within their bodies. [2] Described as the central science, chemistry connects physical sciences with the life sciences and applied ...
U.S. President-elect Donald Trump on Saturday demanded that BRICS member countries commit to not creating a new currency or supporting another currency that would replace the United States dollar ...
Superyachts serve as floating palaces for the world’s elite.These opulent vessels, which are larger than most apartments and cost more than a mansion, are often custom-built to reflect the ...
Although a common classroom experiment is often explained this way, [438] Bernoulli's principle only applies within a flow field, and the air above and below the paper is in different flow fields. [439] The paper rises because the air follows the curve of the paper and a curved streamline will develop pressure differences perpendicular to the ...