The table shows six elements and the group of the periodic table that each element is in.
| Element | Symbol | Group |
|---|---|---|
| lithium | Li | 1 |
| chlorine | Cl | 7 |
| argon | Ar | 0 |
| potassium | K | 1 |
| bromine | Br | 7 |
| neon | Ne | 0 |
Give the name used for the elements in group 1.
Give the name used for the elements in group 7.
Give the name used for the elements in group 0.
State which of the three groups in the table contains only metals.
Sodium has the electronic configuration 2.8.1. Explain how this shows that sodium is in group 1.
Helium is in group 0. Give the name of one element in the table that is in the same group as helium.
41 exam-style questions on Edexcel GCSE Chemistry 7.1 Group 1, covering 7.1.1 Classifying elements by group in the periodic table and 7.1.2 Properties and reactions of the alkali metals. Each one has a worked solution and a mark scheme showing where the marks go.