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Mixtures Are The Combination of Elements, Compounds or Both Substances

Mixtures Are The Combination of Elements, Compounds or Both Substances Two or more substances—elements, compounds, or both—can combine physically to produce a mixture. A mixture can be separated into its components by physical means. Mixtures are physical combinations of substances that have properties related to those of their components but that do not have definite compositions. They can be either heterogeneous or homogeneous mixtures. In heterogeneous mixtures, two or more different types of matter can be seen to be present with the naked eye or a good optical microscope. Homogeneous mixtures,...
Filed in: Anatomy, Chemistry

Classification of Matter – Materials composed of more than hundred elements

Classification of Matter Matter is defined as anything that has mass and occupies space. All the materials in the world are composed of a few more than a hundred elements. Elements are the simplest form of matter and cannot be broken down chemically into simpler, stable substances. They can be thought of as building blocks for everything in the universe. The same elements that make up the Earth also make up the Moon, as shown by actual analysis of rock samples from the Moon. Moreover, indirect evidence obtained from analysis of light from stars shows that the rest of the universe is composed...
Filed in: Anatomy, Chemistry

Fundamental Concepts of Chemistry and Its Components

Chemistry is the study of matter and energy. Matter includes all the material things in the universe. Chemistry will be classified matter into various types—elements, compounds, and mixtures—based on composition. Properties—the characteristics by which samples of matter may be identified. Energy may be defined as the ability to do work. We often carry out chemical reactions for the sole purpose of changing energy from one form to another—for example, we pay large sums of money for fuels to burn in our homes or cars. The relationship between energy and matter, an important one for...
Filed in: Chemistry
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