Buscar
Estás en modo de exploración. debe iniciar sesión para usar MEMORY

   Inicia sesión para empezar


Por supuesto:

CHEMISTRY: TOPIC 3 PERIODICITY

» Iniciar este curso
(Practica preguntas similares gratis)
Pregunta:

What is the trend of ionisation energy? (3)

Autor: Sammy Universe



Respuesta:

Across period: increases bec of increasing nuclear charge = decrease in atomic radius = more energy is needed to overcome bec of stronger attraction down group =decreases bec no of shells increase and so there is more electron shielding of the attraction from the nucleus Group 1 has the lowest ionisation energy whereas group 18 has the highest


0 / 5  (0 calificaciones)

1 answer(s) in total