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प्रश्न
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उत्तर
Potassium chloride - KCl - K1+Cl1-
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संबंधित प्रश्न
Write down the formulae of sodium oxide.
The radius of an oxygen atom is 0.073 nm. What does the symbol ‘nm’ represent ?
What do the following abbreviations stand for ?
- O
- 2O
- O2
- 3O2
Which of the following represents a correct chemical formula ?
The formula of a compound is X3Y. The valencies of elements X and Y will be respectively :
Correct the following statement:
A molecular formula represents an element.
XCl2 is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.
Name the element in the compound and give the formula of the following compound:
Glauber’s salt
Write the formula of the following compound:
Potassium hydroxide
Write the formula of the following compound:
Sodium aluminate
Write the formula of the following compound:
Sodium iodide
Write the formula of the following compound:
Aluminium oxide
Write the formula of the following compound:
Copper [II] oxide
Write the formula of the following compound:
Lead [II] chloride
Write the formula of the following compound:
Lead [II] nitrate
Write the molecular formulae for the following compounds
Calcium (II) phosphate
Play a game for writing formula.
Example 1: Make placards with symbols and valencies of the elements separately. Each student should hold two placards, one with the symbol in the right hand and the other with the valency in the left hand. Keeping the symbols in place, students should criss-cross their valencies to form the formula of a compound.
