Write the name and symbol of the following elements:
The metalloid in the third period:_______

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Solution

The metalloids; boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), polonium (Po) and astatine (At) are the elements found along the step like line between metals and non-metals of the periodic table.
The metalloid in third period is Silicon.

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Similar questions

(a) What are metalloids? Name two metalloids.

(b) Classify the following elements into metals,non-metals, and metalloids:

Copper, Sulphur, Aluminium, Oxygen, Silicon, Nitrogen, Germanium, Mercury, Chlorine, and Sodium.

The three elements having chemical symbols of Si, B and Ge are :

(a) all metals (b) all non-metals

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