Question

answer these question

Answer 1

Answer:

5

Explanation:

Answer 2

Answer:

5. Light-emitting diode

6.malleability- the property of metal by which it can be beaten into sheets. Ductility- the property of metal by which it can be drawn into wires. Sonorous- the property of metal by which it produce sound when beaten by a hammer.

7.An acid will react with a metal to form a salt and hydrogen gas. The general word equation for the reaction between an acid and a metal is as follows: acid + metal → salt + hydrogen.

8. A metal made by mixing two types of metal together .

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