Multiple choice

Boron and silicon is

  1. Metal

  2. Metalloid

  3. Non- metal

  4. All of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Boron and silicon exhibit properties intermediate between metals and non-metals, making them metalloids. They have characteristics of both - they are semiconductors, have intermediate electrical conductivity, and can behave like metals or non-metals depending on conditions. Metalloids form the staircase line on the periodic table.

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