Elements in the same group have the same number of [ ], so they often have [ ].
Elements in the same group have the same number of protons in the nucleus, so they often have similar chemical properties.
Elements in the same group have the same number of outer-shell electrons, so they often have identical physical properties.
Elements in the same group have the same number of outer-shell electrons, so they often have similar chemical properties.
Elements in the same group have the same number of occupied electron shells, so they often have similar chemical properties.
Group 7 (halogens) – chlorine, bromine and iodine Flashcards
Flashcards for Edexcel IGCSE Chemistry Group 7 (halogens) – chlorine, bromine and iodine, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2. 24 cards, matched to the Edexcel IGCSE Chemistry (4CH1) specification.