Question
Which of the following elements is a metalloid ?
The correct answer is
Silicon
Identify the Metalloid Element
A metalloid is an element that has properties of both metals and nonmetals. These elements are often semiconductors.
Element Classification
Let's classify each element provided in the options:
- Silver (Ag): This is a transition metal, known for its conductivity and luster.
- Silicon (Si): This element exhibits properties between metals and nonmetals. It's a semiconductor, commonly used in electronics. Therefore, Silicon is a metalloid.
- Sulphur (S): This is a nonmetal, typically brittle and a poor conductor of electricity.
- Sodium (Na): This is an alkali metal, characterized by its high reactivity and metallic properties.
Based on the classification, Silicon is the metalloid among the given options.
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Important Questions from Classification of Elements and Periodicity in Properties
- Which one of the following statements about alkaline earth metals is NOT true ?
- What element is a greenish yellow gas with a characteristic smell at room temperature?
- In the periodic table, as one goes down the group, which property doesn't change?
- Which of the following is a copper ore?
- Which scientist invented the Periodic table?
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