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प्रश्न
Write the names of elements from the following symbol:
Ir
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उत्तर
Ir- Iridium
संबंधित प्रश्न
Give Two Examples for Each of the Following: Non-metals
State the number of atoms of CaCO3
Answer the following question:
When iron is mixed with sulphur at room temperature, it does not form a compound. Why?
Indicate whether the following statement is true or false:
Molecules combine to form atoms
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
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 |
Select the correct answer from A, B, C, D & E for the statement given below :
A diatomic molecule.
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
Differentiate metals and non-metals.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal other than carbon that shows allotropy.
