Q. 204.0( 4 Votes )
Three elements B, Si and Ge are
D. metal, non-metal and metalloid respectively
Boron (B), silicon (Si), germanium (Ge) are metalloids. A few others are arsenic (As), antimony (Sb), tellurium (Te), polonium (Po) and astatine (At). These elements are found between metals and non-metals of the periodic table. They have properties of both metals and non-metals.
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Account for the following:
a. Cations are smaller in size than the corresponding atom.
b. The noble gases were discovered very late.Xam idea - Science
Why are isotopes of an element having different atomic masses placed at the same position in the periodic Table?Xam idea - Science