Three elements B, Si and Ge are:
A. Metals
B. Non-metals
C. Metalloids
D. Metal, non-metal and metalloid respectively
Answer:C
Three elements B, Si and Ge are:
A. Metals B. Non-metals C. Metalloids D. Metal, non-metal and metalloid respectively
Explanation: The elements boron (B), silicon (Si) and germanium (Ge) exhibit intermediate properties of metals and non-metals, therefore, they are called as metalloids. These elements are placed in between metals and non-metals diagonally as a zigzag line to separate them.