To draw: Lewis dot structure of silicon (Si).
Introduction: “ Every element has smallest unit of matter that retains the properties of an element”. This smallest unit is called atom. There are three subatomic particles of an atom. These are electrons, protons, and neutrons. Proton and neutron are present in the central part of an atom called nucleus. The electrons revolve around the nucleus in different electronic shells that can be drawn in form of electron distribution diagram as given in fig. 1(a) and fig. 2(a). The electrons present in outermost shell are called valence electrons that can be drawn in dotted form as Lewis dot structure of an atom, as given in fig.1 (b) and fig.2 (b).
To interpret: The properties of silicon that makes it suitable for silicon based life.

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CAMPBELL'S BIOLOGY MASTERING BIOLOGY
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