Contents
Key Stage 3
Meaning
Group 2 are elements on the Periodic Table with only 2 electrons in their outer shell.
About Group 2
 |
| Group 2 elements are shown in dark purple at the left of the Periodic Table. |
Key Stage 4
Meaning
Group 2 are elements on the Periodic Table with only 2 electrons in their outer shell.
About Group 2
- Group 2 atoms can lose 2 electrons to form positive ions with a charge of +2.
- Group 2 elements are known as the Alkali Earth Metals.
|
| Group 2 elements are shown in dark purple at the left of the Periodic Table. |
References
AQA
- Alkali earth metals, page 133, GCSE Chemistry; Student Book, Collins, AQA
- Alkali earth metals; flame tests, page 274-5, GCSE Chemistry; Student Book, Collins, AQA