Describe and explain the trend in reactivity of the alkali metals (Group 1)

  • Google+ icon
  • LinkedIn icon

Reactivity increases down the group. The number of electron shells increases down the group. Therefore the outer electron is further away from the nucleus. Consequently, the attraction between the outer electron and the nucleus weakens. As a result the outer electron is lost more easily. 

Elakkeya J. A Level Biology tutor, GCSE Biology tutor, GCSE Chemistry...

About the author

is an online GCSE Chemistry tutor with MyTutor studying at Sheffield University

Still stuck? Get one-to-one help from a personally interviewed subject specialist.

95% of our customers rate us

Browse tutors

We use cookies to improve your site experience. By continuing to use this website, we'll assume that you're OK with this. Dismiss