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प्रश्न
State one observation which shows that atom is not indivisible.
उत्तर
Chadwick discovered neutral particles present in an atom by bombarding light nuclei like beryllium with alpha particles, i.e. helium nuclei.
4Be9 + 2He4 → 6C12 + 0n1
Discovery of the neutron also showed that an atom is divisible.
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संबंधित प्रश्न
Give electron dot diagram of the following:
methane
State differences between the properties of ionic compounds and covalent compounds.
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
Name the following:
The shell closest to the nucleus of an atom
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidation.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reducing agent.
The element that would form anion by gaining electrons in a chemical reaction is ______.
______ theory explains the formation of molecules.
Spot the error/correct the wrong statement:
In the formation of compounds, the inner shell electrons of an atom involved in bonding.
