Matter

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1. The element which possess character of both metal and non-metal are called .

2. The symbol of tunsten is .

3. Melting point of most metal is than the non-metal.

4. Water contains and .

5. is used in semiconductor industry.

6. The most reactive metal is .

7. Atom or group of atoms having a charge are called .

8. In chemistry, each element is denoted by a .

9. Metals and non-metals are used for making , and .

10. is so hard that it can scratch glass.