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Dipanshu Bokade 7 years, 7 months ago

Ionic crystals are composed of alternating positive and negative ions. Metallic crystals consist of metal cations surrounded by a "sea" of mobile valence electrons. Covalent crystals are composed of atoms which are covalently bonded to one another. Molecular crystals are held together by weak intermolecular forces.
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Saloni S 7 years, 7 months ago

Diamond
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Rhitika Rai 7 years, 7 months ago

haloalkane can be prepared from alcohol, alkane ,alkene but alcohol is widely used in lab for preparation of haloalkane
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Dipanshu Bokade 7 years, 7 months ago

Paramagnetism refers to materials like aluminum or platinum which become magnetized in a magnetic field but their magnetism disappears when the field is removed. Ferromagnetism refers to materials (such as iron and nickel) that can retain their magnetic properties when the magnetic field is removed.
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Dipanshu Bokade 7 years, 7 months ago

Due to F-centres

Saloni S 7 years, 7 months ago

Due to F centre

Anudhiya Ramdass 7 years, 7 months ago

Due to exess of sodium atoms
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Krish Kumar 7 years, 7 months ago

Aluminium losses three electrons at the rod which is anode and get oxidised and passes through the solution to form Aluminium three plus ion. Al ➡Al^3+ +3e
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Dipanshu Bokade 7 years, 7 months ago

Molecular formula of C8H18
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Saurav Sharma 7 years, 7 months ago

Free=solid

Saurav Sharma 7 years, 7 months ago

Metallic substance can conduct electricity inboth state molten as well as free Whereas ionic can't
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Mohd Ashar Khan 7 years, 7 months ago

14 g

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