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प्रश्न
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
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उत्तर
Na1+ Cl1-
Steps
Formula = NaCl
संबंधित प्रश्न
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Match the formulas of the following of acids with their correct names:
Acids – (a) HCI (b) HNO3 (c) H2SO4 (d) H2CO3
Names – (1) Carbonic acid (2) Sulphuric acid (3) Hydrochloric acid (4) Nitric acid
Give the symbol of the following element:
Calcium
Write the radical of the following valency:
Chlorine [Chloride]
Write the radical of the following valency:
Potassium
Write the chemical formula of the following:
magnesium oxide
Write the chemical formula of the following:
calcium sulphide
What does a chemical symbol represent?
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
What is the significance of the symbol of an element?
