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How Chemistry Works?

The word chemistry comes from the word alchemy, an earlier set of practices that encompassed elements of chemistry, metallurgy, philosophy, astrology, astronomy, mysticism and medicine. An alchemist was called a chemist in popular speech, and later the suffix ‘-ry’ was added to describe the art of the chemist as “chemistry”. Chemistry has played and will continue to play a vital role in the development of mankind. It is creative process that derives ideas and suggestions from real problems and formulates the relevant concept for a possible conclusion. It is a branch of physical science that studies the composition, structure, properties and change of matter.  Chemistry is chiefly concerned with atoms and molecules and their interactions and transformation. It also enables us to add to our understanding of the properties and the nature of matter, and the interactions of energy and matter. So, to ignore chemistry is to rub its vigor and its significance.

ACIDS

An acid is a compound which contains replaceable hydrogen, a part of which can be replaced by a metal, or a group of atoms, that behaves like a metal. On the viewpoint of the iconic theory, an acid is a compound which when dissolved in the water produces hydrogen ions as the only positive ions. On the basis of their sources, acids are grouped as organic acids and inorganic acids. Organic acids are naturally occurring acids which are sour in taste such as lemon or soured milk. Inorganic acids are those acids that are derived from minerals. They are also known as mineral acids.

BASES

The metallic oxides which are formed by reaction of metals and oxygen react with water. New products thus formed, are called hydroxides of metals. The hydroxides of metals are called bases. For example: magnesium oxide, calcium oxide, zinc oxide, sodium oxide and potassium oxide all react with water to form bases. Hydroxides that are soluble in water are known as alkalis. Bases are bitter in taste, slippery in touch and they are weaker than acids.

ELEMENT

A chemical element is a pure substance which is composed of a single type of atom, characterized by its particular number of protons in the nuclei of its atom known as atomic number which is denoted by “z”. The mass of number refers to the number of protons and neutrons in the nucleus. An element which has different mass numbers is known as isotopes.  For example, all atoms with 6 protons in their nuclei are atoms of the chemical element carbon but atoms of carbon may have mass numbers of 12 or 13.

COMPOUND

A compound a pure chemical substance composed of more than one element. The properties of a compound bear little similarity to those of its element. Two types of compounds are registered by the international union of pure and applied science. The first is the organic compound and the other one is inorganic compound.         

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