Question

physical and chemical properties of metals and non metals ??​

Answer 1

Answer:

Metals are melleable.

Non metals break easily when bent or curved.

NON METALS cant be beaten into thin sheets or wires.

METALS are ductile i.e.they canasily bent into wires or thin sheets.

Non Metals are bad conductors of heat and electricity.

Metals are good conducters of heat and electricity.

Explanation:

Answer 2

Physical properties of Metals are as follows :

• They are all solids, except Mercury (which is liquid)

• They generally have high melting as well as high boiling points.

• The generally have a high density.

• They are quite hard (with exceptions of sodium and potassium).

• They possess a natural shine.

• They are malleable and ductile.

• They have high tensile strength.

• They are good thermal as well as good electric conductors.

• They are sonorous.

Physical properties of Non-metals are as follows :

• They may be solid, liquid or gaseous.

• They generally have low melting as well as low boiling points.

• They are not hard (except diamond).

• They generally have a dull appearance.

• They are not malleable and ductile ; they are brittle.

• They do not have tensile strength (except Carbon fibre).

• They are non-conductors or insulators (except graphite).

• They are non sonorous.

||___________________________||

⭐ ADDITIONAL INFORMATION ⭐

||___________________________||

★ Describe all the physical properties .

• physical state : All metals (except Mercury, which is liquid) are solid at room temperature. Iron, copper, aluminium, gold and silver are some of the examples of metals. Non-metals (at the room temperature) may exist in solid, liquid or gaseous state. Carbon, sulphur, phosphorus and iodine are few examples of non-metal which exist in the solid state.

• Melting point and boiling point : Metals generally have high metals as well as high boiling points. For example, melting point of iron is 1536°C and its boiling point is 3000°C. Some metals, however, have an exceptionally low melting point.

• Density : Metals generally have a high density. Non-metals generally have a low density.However, there are some exceptions. Sodium and potassium, which are metals, have quite a low density ; their density value is less than that of water.

• Hardness : Most metals are very hard. They can withstand quite high pressures without getting distorted. Non-metals are generally not hard ; they are brittle and easily break into pieces when hammered.