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प्रश्न
Name one non-metal which is stored under water.
उत्तर
White phosphorus is a non-metal that is stored under water.
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संबंधित प्रश्न
Match the substances given in Column A with their uses given in Column B.
| A | B | ||
| 1 | Gold | a | Thermometers |
| 2 | Iron | b | Electric wire |
| 3 | Aluminium | c | Wrapping food |
| 4 | Carbon | d | Jewellery |
| 5 | Copper | e | Machinery |
| 6 | Mercury | f | Fuel |
If an element has a low ionization energy then it is likely to be ______________ (metallic / non metallic).
Write the balanced chemical equation to prepare ammonia gas in the laboratory by using an alkali.
Which property of copper and aluminium makes them suitable for making cooking utensils and boilers?
Name one property which is characteristic of non-metals.
Name a non-metal having lustre (shining surface).
The electronic configurations of four particles A, B, C and D given below:
| A | 2, 8, 8 |
| B | 2, 8, 2 |
| C | 2, 6 |
| D | 2, 8 |
Which electronic configuration represents:
(i) magnesium atom?
(ii) oxygen atom?
(iii) sodium ion
(iv) chloride ion?
State two important uses of following non-metal
Uses of graphite
Why do gold ornaments look new even after several years of use?
Give reason for the following:
Metals form cations while non-metals form anions.
