Chemistry Year 10

bonding

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Bonding

Chemical bonding is when two or more elements/compounds combine to make a differnt element.

e.g. in this case the hydrogen (H) atoms have bonded with the carbon (C) atoms  (http://t0.gstatic.com/images?q=tbn:ANd9GcTmi8CSaFCn8h345CApz_tOSxxNkZMeb_vCAbxOIcsNaT1W0EDz)

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Ionic bonding

  • The transfer of electrons between atoms
  • occurs between metals and non-metal
  • high boiling point 
  • strong electrostatic forces of attraction between oppositly charges ions
  • giant ionic lattice (atoms are formed in layers)
  • are a solid at room temperature

(http://t2.gstatic.com/images?q=tbn:ANd9GcTCwsllj50F7wxRGOsXVNpwxRfsDoJhSMUjJAQ5b2KdDFZRT-b4)

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Ionic conducting?

Electrical conductivity?

solid: no

liquid: yes 

gas: yes

Thermal conductivity:

no

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