The given elements are to be classified as metals, non-metals or metalloids.
Elements are broadly classified as metals, non-metals and metalloids on the basis of their tendency to lose or gain electrons.
Metals tend to lose electrons and are placed on the left side as well as the centre of the periodic table. They are good conductors of heat and electricity, are shiny in appearance, have high melting and boiling points etc.
Non-metals tend to gain electrons and are placed on the extreme right side of the periodic table. They are poor conductors of heat and electricity, have a roughappearance, and have low melting and boiling points.
Metalloids may gain or lose electrons and are placed on the slightly right side in the periodic table. They have properties intermediate to that of metals and non-metals. There are six metalloids namely Boron (B), Silicon (Si), Germanium (Ge), Arsenic (As), Antimony (Sb) and Tellurium (Te).
All the elements placed on left of metalloids are metals while those placed on the right of metalloids are non-metals.
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