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Explain the following with suitable exam...

Explain the following with suitable examples: (i) Ferromagnetism (ii) Paramagnetism (iii) Ferrimagbetism (iv) Anti-ferromagnetism (v) 12-16 and 13-15 group compounds

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(v) 12-16 group compounds: Compounds formed from elements of group-12 & 16 are called 12-16 group compounds. Examples: ZnS, CdTe, etc. These act as semiconductors.
13-15 group compounds: Compounds formed from elements of group 13 and group 15 are called 13-15 (both) compounds. Examples: GaAs, InP. InAs, etc. These compounds act as semiconductors.
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