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प्रश्न
Give the name of the element present in the following compound:
Potassium sulphate
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उत्तर
- Compound - Potassium sulphate
- Chemical formula - K2SO4
- Elements present - Potassium, Sulphur, Oxygen
संबंधित प्रश्न
Write down the name of a compound represented by the following formula:
KNO3
In what form does oxygen gas occur in nature ?
What are (i) ionic compounds, and (ii) molecular compounds ? Give two examples of each type of compounds.
An element X forms the following compounds with hydrogen, carbon and oxygen :
H2X, CX2, XO2, XO3
State the three valencies of element X which are illustrated by these compounds.
Correct the following statement:
A molecule of sulphur is monoatomic.
Give one example of a polyatomic molecule.
Classify the following molecules as the molecules of element or compound
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| 2. |  |
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| 4. |  |
If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.
Two elements sometimes can form more than one compound.
Derive the relationship between Relative molecular mass and Vapour density.
