If we open a dictionary, an encyclopedia, or a school book, we shall find a definition of chemistry, tracing the word back to the Arabs and utterly confounding us with the profound knowledge of tho learned pundits who have endeavored to enlighten the world on the (subject. Somehow, after ...
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What is Chemistry? Chemistry is the study of the composition, structure, and properties of matter. It is often called the "central science" because it combines physics, math, biology, and even environmental science. It includes the study of individual elements, chemical compounds, the ...
The study of fundamental constituents such as atoms, molecules, substances, metals, crystals, and other aggregates of the matter is where traditional chemistry begins. Let’s now see about some basic terms of chemistry and some important chemistry terms. Chemistry Topics 118 Elements and Their Symb...
Chemistry is a branch of science that studies what everything is made of and how it works. Cooking and making ice are chemistry as well as medicines and paint. How does chemistry work and what does a chemist do? Find out in this lesson. Definition of Chemistry Why does a cake rise in...
Chemistry is one branch of science. Science is the process by which we learn about the natural universe by observing, testing, and then generating models that explain our observations. Because the physical universe is so vast, there are many different branches of science (Figure 1.1). Thus, ...
"chem·is·try n., pl. -tries . 1. the science that systematically studies the composition, properties, and activity of organic and inorganic substances and various elementary forms of matter . 2.chemical properties, reactions, phenomena, etc.: the chemistry of carbon ...
What is chemistry? History of chemistry Chemistry is a science that tries to understand the properties of substances and the changes that substances undergo. It is concerned with the substances that occur in nature-the minerals of the earth,the gases of the air,the water and salts of the ...
What is a Mixture ... in terms of Chemistry ? Matter can be classified in various ways according to its structure, behaviours and physical and chemical properties. The main classifications of matter include the categories element and compound, either of which may also be called a substance (...
chemistry •Chemistryissuchabroad,all-encompassingareaof studythatpeoplealmostdespairintryingtodefine it.Indeed,somehavetakenacop-outapproachbydefiningchemistryas"whatchemistsdo".Butthatwon'tdo;it'smuchtoonarrowaview.化学是如此广泛的、涵盖一切的学科领域，以至于人们在尝试给它下定义时几乎绝望了。事实上，有...