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प्रश्न
State one observation which shows that atom is not indivisible.
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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
Define a chemical bond.
In term of electron transfer, define Oxidation
What type of bond is formed between two atoms, when the electronegative difference between them is low ?
What do you understand by redox reactions? Explain oxidation and reduction in terms of loss or gain of electrons.
How do atoms attain noble gas configurations?
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.
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
Explain Octet rule with an example.
Complete the following table:
| a. | Dativebond | ______ |
| b. | CaH2 → Ca+H2 | ______ |
| c. | ______ | Reduction |
| d. | ______ | Redox reaction |
How many electrons are required or released by each atom in carbon tetrachloride to attain the nearest noble gas configuration?
