Can u guys help me in chem Revision
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The element argon has always been a loner. It's one of the inert gases that normally exist as single atoms. ... Argon--along with helium, neon, xenon, radon, and krypton--belongs to the so-called "noble" gases
Although a single molecule of water is composed of one atom of oxygen bonded to two hydrogen atoms (H2O), a collection of purely H2O molecules exists only as a gas. ... For water to be liquid—and form oceans, lakes, rivers, and rain—the single H2O molecules have to clump together to form much larger, heavier structures.
Elements are substances that are made from one type of atom. An element cannot be broken down into any other substance. ... A mixture is made by simply mixing together elements and compounds. No new chemical bonds are formed.
On ozonolysis of alkene, ketone and aldehyde are formed it is a 1,3 dipolar cycloaddition.
Compound are substances which can be formed by chemically combining two or more elements. Mixtures are substances that are formed by physically mixing two or more substances. Compounds can be of three types, which are: covalent compounds, metallic compounds and ionic compounds.
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