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Kind of the combination

◇ Intermolecular force
 ● Van der Waals forces
  It joins weak gravitation to act between molecules, molecules together.
 ● Hydrogen bonding
  Is stronger than the van der Waals forces, but a big atom of the electronegativity
  Gravitation to be tied through doshiga hydrogen.
◇ Strength of the chemical bond
  Covalently link > Ionic bonding > Metallic bond >> intermolecular force

Omote Gumi, list

Kind of the combination
Covalently link
Intermolecular force
Covalently link
Ionic bonding
Metallic bond
Constitution particle
Molecules
Atom
A positive ion and anion
A positive ion and free electron
Constituent element
Nonmetal - nonmetal
Nonmetal (14 group) 
Metal - nonmetal
Metal - metal
Melting point
Low sublimation characteristics
Very high
Considerably high
High
Mechanical property
It is fragile softly
Extremely obstinate
Obstinate
I am full of malleability, ductility
Conductivity
Unavailable
Unavailable
Unavailable
Available
Solution
It is hard to melt
I do not melt
It is easy to melt
I do not melt
Chemical formula
Molecular formula
Composition type
Composition type
Composition type
ADAMAS
〒959-2477
1117-384, Shimokonakayama, Shibata-shi, Niigata
TEL. 0254-33-2211
FAX. 0254-33-3756
Production, sale of the Diamond whetstone
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