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प्रश्न
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
उत्तर
Step 1: Write the symbols of the radicals.
Na Cl
Step 2: Write the valency below the respective radical.
Na Cl
1 1
Step 3: Cross-multiply symbols of radicals with their respective valency.
Step 4: Write down the chemical formula of the compound.
संबंधित प्रश्न
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heat.
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- Colour change
- Effervescence or gas evolved
- Evolution or absorption of heat
- Formation of a precipitate.
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| Heat on iodine crystals | Colour of vapours evolved |
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The reddish-brown precipitate obtained during a double decomposition precipitation reaction between an iron salt and alkali is __________.
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- The dirt surrounded by the detergent molecules floats in the water making it dirty.
- Finally, the cloth is clean.
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Write the chemical reaction of baking soda with lemon.
