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प्रश्न
Classify the following as metals, non-metals and metalloids.
Sodium, Bismuth, Silver, Nitrogen, Silicon, Carbon, Chlorine, Iron, Copper
उत्तर
| 1. | Sodium | Metal |
| 2. | Bismuth | Metal |
| 3. | Silver | Metal |
| 4. | Nitrogen | Non-metal |
| 5. | Silicon | Metalloid |
| 6. | Carbon | Non-metal |
| 7. | Chlorine | Non-metal |
| 8. | Iron | metal |
| 9. | Copper | Metal |
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संबंधित प्रश्न
Write true or false
All pure substances have characteristic melting and boiling points.
Name: A form of carbon used as a gem
Find the atomicity of the Following molecule:
Aluminium Suiphide
Complete the statement – an element is a pure substance made up of ____________ atoms.
Write the names of elements from the following symbol:
Ir
Write the names of elements from the following symbol:
Pt
‘The modern periodic table consists of elements arranged according to their increasing atomic numbers’. With reference to elements with atomic numbers 1 to 20 only in the periodic table – differentiate them into – metallic elements, metalloids, non-metals & noble gases.
Differentiate between homogenous & heterogeneous mixtures.
What are elements? What are they made of?
Give an account of elements known to us.
