Question

#Describe now

Classification of elements...​

Answer 1

Answer:

Elements in different groups are lumped together in one of three classes, depending on their properties. The classes are metals, nonmetals, and metalloids.

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Answer 2

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✒ Classification of Elements

✏ The elements are divided in 3 parts they are :-

1. Metals
2. Non-metals
3. Metalloids

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☞ What are Metals ?

• 78% of known elements are metals.
• They take up the left side of the Periodic Table.
• At room temperature, they are usually solids (except mercury).
• They usually have high boiling and melting points.
• They are shiny having metallic lustre.

☞ What are Non-metals ?

• They occupy the right-hand side of the Periodic Table.
• Most non-metals are brittle and are not malleable or ductile.
• At room temperature, they are usually solids or gases.
• They usually have low boiling and melting points (except carbon and boron).
• They are poor conductors of heat and electricity.

☞ What are Metalloids ?

• Metalloids exhibit some properties of metals as well as of non-metals. 
• They may have a metallic or dull appearance.
• They are usually brittle and are fair conductors of electricity.
• They may gain or lose electrons during chemical reactions.
• They form alloys with metals.

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