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प्रश्न
State the chemical symbols for the following elements :
Sodium, Potassium, Iron, Copper, Mercury, Silver.
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उत्तर
Following are the chemical symbols of the listed elements:
- Sodium: Na
- Potassium: K
- Iron: Fe
- Copper: Cu
- Mercury: Hg
- Silver: Ag
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संबंधित प्रश्न
What is meant by the term chemical formula?
What is meant by the symbol of an element ? Explain with examples.
Identify the following substance:
Gas B that has an offensive smell as of rotten eggs.
Write the formula of the following compound:
Potassium aluminate
Write the formula of the following compound:
Sodium iodide
Write the formula of the following compound:
Zinc chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
Write the chemical formula for the following elements.
- Hydrogen
- Nitrogen
- Ozone
- Sulphur
Write the molecular formulae for the following compounds
Copper (II) bromide
Play a game for writing formula.
Example 2: A low-cost model for writing formulae: Take empty blister packs of medicines. Cut them in groups according to the valency of the element, as shown in the figure. Now, you can make formulae by fixing one type of ion into other.
For example:
The formula for sodium sulphate:
2 sodium ions can be fixed on one sulphate ion.
Hence, the formula will be Na2SO4.
Do it yourself:
Now, write the formula of sodium phosphate.
