Question

jisi nhi aata... doooor raho..

classification of elements​

Answer 1

HEY MATE....!!!!✌

✒ 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.

HOPE IT HELPS...☺

Answer 2

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✒ Classification of Elements

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

Metals

Non-metals

Metalloids

-----------------------------------------

☞ 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.