Which chemical element has properties of a metal and non-metals? (a) Metalloid (b) Lanthanoid (c) Actanoid (d) Graphite
PMS GK Past Papers and Syllabus / All — Multiple-choice practice
کون سا کیمیائی عنصر ایسی خصوصیات رکھتا ہے جو دھاتوں اور غیر دھاتوں دونوں سے ملتی جلتی ہیں؟
- A. Graphite
- B. Lanthanoid
- C. Actanoid
- D. Metalloid
Correct answer
Metalloid
Explanation
Explanation Metalloids have properties of both metals and non-metals. They can conduct electricity better than non-metals but worse than metals. Examples include silicon, boron, and germanium. Metalloids are widely used in semiconductors and electronics. Their mixed properties make them important in modern technology.
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