Question

Difference between metals and non metals.

Answer 1

Answer:

METALS- HAVE LUSTRE

GOOD CONDUCTOR OF HEAT AND ELECTRICITY.

NON METALS- DO NOT HAVE LUSTRE

POOR CONDUCTOR OF HEAT AND ELECTRICITY

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Answer 2

Answer:

Metals

1. They are generally hard.
2. They are generally silvery grey or golden yellow in colour.
3. They are lustrous.
4. They are malleable.
5. They are ductile.
6. They are sonorous.
7. They have high tensile strength.
8. They have high densities.
9. They generally have high melting points.
10. They are good conductors of heat and electricity.
11. eg:- Iron, copper, aluminium, calcium, magnesium, etc.

Non -Metals

1. They are generally softer then the metals.
2. They come in various colours:-Carbon(black), Sulphur(yellow), Phosphorus(white/ red).
3. They are non-lustrous.
4. They are non-malleable.
5. They are non-ductile.
6. They are non-sonorous.
7. They have low tensile strength.
8. They have low densities.
9. They generally have low melting point.
10. They are generally bad conductor of heat and electricity.
11. eg:- sulphur, carbon, oxygen, phosphorus.

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