Question

7. Differentiate between metals and non-metals.​

Answer 1

Answer:

Properties of Metals  

Physical Properties of Metals

Some physical properties of metals are listed below.

• Shiny (lustrous) in nature

• Metal is a good conductor of electricity and heat

• Density and melting point is high

• Mouldable (Malleable)

• Ductile

• At room temperature, it is in solid form except for mercury

• Opaque

Chemical Properties of Metals

Some chemical properties of metals are listed below.  

• Easily corrodible

• Can lose electrons

• Form basic oxides

• Have low electronegativities

• Good reducing agents

• Properties of Non-Metals

Physical Properties of Non-metals

Some physical properties of non-metals are listed below.

• Poor conductors of electricity and heat

• Non-Ductile metals

• Brittle solids

• Maybe solids, liquids or gases at room temperature

• These are not sonorous

• Transparent

Chemical Properties of Non-metals

Some chemical properties of non-metals are listed below.

• The number of electrons in the outer shell is generally 4-8

• Easily gain or lose valence electrons

• Form acidic oxides whenever they come in contact with oxygen

• High electronegative elements

• Great oxidizing agents

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Answer 2

Answer:

metals:

metals are solid at room temperature

2.metals has lustrous and polished

3.metals has high density

4.metals are generally hard

5.metals are good heat conductors

non metals:

1.non metals are usually dull in appearrence

2. non metals are soft

3.non metals present in three states solids, liquids,and gases

4.non metals are poor conductors of heat

5.they have low tensile strength