The number of electrons in the outermost shell of an atom determines its physical and chemical properties. All elements are most stable with 8 electrons (an octet) in their outer shell.
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It does not consist of a single element
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Porcelain. Porcelain is perhaps one of the most popular materials used to make bathroom basins. Porcelain itself is a ceramic material, and comes in two common forms: vitreous china and fine fire clay.
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The correct answer about geologic time scale is that, it presents the correct sequence of events in the history of the earth.
Geologic Time scale is being recorded in the history of geologics. It is being broken into smaller and larger subdivisions and this helps us to know how events fit together.
In order to study the major events which are found in geologic history we should study the rock strata which is found around the world.
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