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प्रश्न
Molecular compounds are usually formed by the combination between :
पर्याय
a metal and a non-metal
two different non-metals
two different metals
any two gaseous elements
उत्तर
two different non-metals
Molecular compounds are formed by the combination of two different non-metals.
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संबंधित प्रश्न
Write down the name of a compound represented by the following formula:
K2SO4
Define: Atomic number
Define: Mass number :
What is meant by atomicity ? Explain with two examples.
One of the forms of a naturally occurring solid compound P is usually used for making the floors of houses. On adding a few drops of dilute hydrochloric acid to P, brisk effervescence are produced. When 50 g of reactant P was heated strongly, than 22 g of a gas Q and 28 g of a solid R were produced as products. Gas Q is the same which produced brisk effervescence on adding dilute HCl to P. Gas Q is said to cause global warming whereas solid R is used for white-washing.
- What is (i) solid P (ii) gas Q, and (iii) solid R.
- What is the total mass of Q and R obtained from 50 g of P ?
- How does the total mass of Q and R formed compare with the mass of P taken ?
- What conclusion do you get from the comparison of masses of products and reactant ?
- Which law of chemical combination is illustrated by the example given in this problem ?
An element A forms an oxide A2O5.
What is the valency of element A ?
Explain the term – molecules. Give three examples of atoms of the same element forming a molecule. State the atomicity of the same.
Give one example of a triatomic molecule
State the atomicity of the following:
Argon
If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.
