brainst1
brainst1 brainst1
  • 18-02-2017
  • Chemistry
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help in science answer the questions

help in science answer the questions class=

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mushujr
mushujr mushujr
  • 18-02-2017
1. because they form a lattice and have an electrostatic force of attraction between which gives them high m.p and b.p

2. because when molten the negative ions or electrons are free to move but in solid they are packed hence do not conduct
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