period 2 (Q3342)
any of the chemical elements in the second row of the periodic table
- period 2 element
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | period 2 |
any of the chemical elements in the second row of the periodic table |
|
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | period 2 |
any of the chemical elements in the second row of the periodic table |
|