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Is Matter Around Us Pure ? — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?2 Marks
Question
Why is sodium a metal whereas carbon non-metal?
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Answer

Metal is a electron donor or it have the tendecy to donate electrons but non metal are the substancses which accepts a electron.
Sodium have one electron in it's valence she'll there for it have the tendecy to loose on electron and it's a metal but carbon have 4 electron in valence shell and it's have a greater affinity to accept electron to complete the order rule.

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