This blog will cover and explain the specification for Edexcel triple science course 2013 Chemistry. Hope it helps :)
Wednesday, 1 May 2013
2.1 understand the terms group and period
Groups are columns in the periodic table, the number of a group represents the number of electrons on an atom's outer shell.
Periods are rows on the periodic table, the row represents the number of orbitals that a atom has.
No comments:
Post a Comment