Calcium bromide give a compound consisting of two bromine atoms and one calcium atom.
What is atom?
An atom is a particle of the matter that uniquely defined as a chemical element. An atom is the consists of a central nucleus that is the surrounded by one or more negatively charged of electrons. The nucleus is the positively charged and the contains one or more of relatively heavy particles known as protons and neutrons. Sol-Atomic radius of an atom is defined as the total distance from the nucleus to the outermost shell of the atom. Sodium and magnesium are located in the same era, with magnesium to the right of sodium. They both have the same number of primary shells.
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