Question

B. answer the following in not more than 40 words
3. Name three metals. Mention three characteristics of metals.
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Answer 1

Answer:

Gold, silver and copper

Characteristics :-

1=luster

2=malleability

3=conductivity

If you want answer in more words then you can define these three characteristics

Answer 2

Answer:

Metal is a substance which is lustrous, sonorous, ductile, and is a good conductor of heat and electricity. Gold, silver and copper are the three metals.

Characteristics of Metal :-

1) State: Metals are solids at room temperature with the exception of mercury, which is liquid at room temperature (Gallium is liquid on hot days).

2) Luster: Metals have the quality of reflecting light from their surface and can be polished e.g., gold, silver and copper.

3) Hardness: All metals are hard except sodium and potassium, which are soft and can be cut with a knife.