When a metal is heated, its atom gain energy and vibrate more vigorously and this energy is transferred to the electrons present in the atoms.
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Similar Questions
Q1
Choose the correct optiom
When a metal atom becomes an ion
1)it loses electrons and it is oxidised
2)it gains electrons and it's reduced
3)it loses electrons and it's reduced
4)it gains electrons and it's oxidised
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Q2
When a metallic conductor is heated then the atoms in the metal vibrate with ?
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Q3
When a neutral atom loses an electron, it is called _____ and when it gains an electron, it is called _____.
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Q4
Explain:
(i) Larger the atomic size, more metallic is the element.
(ii) Halogens have high electron affinity.
(iii) Size of atom changes when it loses or gain electron.
(iv) K is more reactive than Li.
(v) Electronegativity of Cl is higher than S.
(vi) Group 17 elements are non-metals, while group 1 elements are metals.
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Q5
According to postulated of Bohr's atomic model, the electron has a definite amount of energy and the electron does not lose or gain energy while moving :