Key Stage 3
Meaning
Group 3 are elements on the Periodic Table with only 3 electrons in their outer shell.
About Group 3
 |
| Group 3 elements are shown in light blue on this Periodic Table. |
Key Stage 4
Meaning
Group 3 are elements on the Periodic Table with only 3 electrons in their outer shell.
About Group 3
- Group 3 atoms can lose 3 electrons to form positive ions with a charge of +3.
|
| Group 3 elements are shown in light blue on this Periodic Table. |