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प्रश्न
Classify the following as metals, non-metals and metalloids.
Sodium, Bismuth, Silver, Nitrogen, Silicon, Carbon, Chlorine, Iron, Copper
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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
Classify the following substances into elements and compounds
Mercury, sulphur, sugar, water, sand, gold, carbon, oxygen, alcohol, iron, marble, baking soda.
Give two examples of the following.
Inert gases
Find the atomicity of the Following molecule:
Calcium Chloride
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Who are my companions?
| Group 'A' | Group 'B' |
| 1. Stainless steel | (a) Non-metal |
| 2. Silver | (b) compound |
| 3. Bhajani mixture for milling | (c) Mixture |
| 4. Salt | (d) Element |
| 5. Coal | (e) Alloy |
| 6. Hydrogen | (f) Metal |
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Give a reason for the following statement:
Components in a mixture are present in varying proportions and not in a fixed proportion.
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
An element is sonorous and highly ductile. Under which category would you classify this element? What other characteristics do you expect the element to possess?
______ is the life-giving element is the air.
