Respuesta :

The number of replaceable electrons in an atom is called its valency.

Examples

  • Monovalent - Hydrogen
  • Divalent - Oxygen

  • Valency = 8 - Number of electron in last shell [When number of electrons in last shell > 4]

  • Valency = Number of electron in last shell [When number of electrons in last shell < 4]

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04essiebear04

Answer:

the combining capacity if an atom is know as valency.

the property of an element that determines the number of other atimd with an aton if the element can combine.

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