Atoms , formulae and equations

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  • Created by: RV1BD6
  • Created on: 14-05-18 19:37

Fourmula

Every compound has a specific formula. Elements in the same group of the periodic table form compounds with similar formulae.

Groups the elements from            Ratio of atoms in compound         Typicial formula

1 & 7 or 2 & 6                                                1:1                                      LiF or MgO

  2 &7                                                            1:2                                       MgCl2      (lower case 2)

  1 & 6                                                           2:1                                       K2O      (lower case 2)

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