Atoms

Chemistry – Atoms -Important Properties-Important One Liners

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  Atoms -Important Properties-Important One Liners   1-An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. 2-Every atom is composed of a nucleus and one or more electrons bound to the nucleus. 3-Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. 4-The … Read more

Chemistry -Atomic Structure ; introduction to periodic table

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Chemistry Atomic Structure ; introduction to periodic table 1-Created by Dmitri Mendeleev (1834-1907), the periodic table orders all known elements in accordance to their similarities 2-The periodic table is a chart that categorizes elements by “groups” and “periods.” All elements are ordered by their atomic number. 3-The atomic number is the number of protons per … Read more