2 electrons in the first shell
- I have 2 electrons in the first shell
- What has 2 electrons in the first shell
- Why are there 2 electrons in the first shell
- What element has 2 electrons in the first shell
- Why are there only 2 electrons in the first shell
- I have 2 electrons in the first shell 8 in the
- I have 2 electrons in the first shell 8 in the second shell