Skip to content
MathsGenie logo
Open app

Course home

  1. GCSE
  3. Chemistry Edexcel
  5. Question bank

The periodic table

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637
Question 4

Some elements in Group 7 of the periodic table are shown in the table below:

Group 7 elementAtomic numberRelative atomic mass
fluorine919
chlorine1735.5
bromine3580
iodine53127

Explain, in terms of their electronic configurations, why these elements are placed in Group 7 of the periodic table.

[2]

The periodic table Questions

  1. GCSE
  2. /Chemistry
  3. /The periodic table