Chemistry
When a metal atom becomes an ion :
- it loses electrons and is oxidized
- it gains electrons and is reduced
- it gains electrons and is oxidized
- it loses electrons and is reduced
Chemical Bonding
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Answer
it loses electrons and is oxidized
Reason — Metals readily give the valence electron during reactions and are hence oxidised.
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Related Questions
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below :
(i) The type of bonding in X will be :
A. ionic
B. electrovalent
C. covalent
D. molecular(ii) X is likely to have a :
A. low melting point and high boiling point.
B. high melting point and low boiling point.
C. low melting point and low boiling point.
D. high melting point and high boiling point.(iii) In the liquid state, X will :
A. become ionic,
B. be an electrolyte,
C. conduct electricity,
D. not conduct electricity.The property which is characteristic of an electrovalent compound is that :
- it is easily vaporized
- it has a high melting point
- it is a weak electrolyte
- it often exists as a liquid
Which of the following compounds has all three bonds — ionic, covalent and coordinate bonds ?
- Ammonia
- Ammonium chloride
- Sodium hydroxide
- Calcium chloride
Which of the following is not a typical property of an ionic compound ?
- High melting point
- Conduction of electricity in molten and aqueous states
- Insolubility in water
- Existence as oppositely charged ions even in the solid state.