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Neon is a noble gas and possesses 8 valence electrons. To determine the valence electrons for neon, we can look at its position on the periodic table – its group number – or use its electron configuration as another method.
Methods
Using periodic table
Get the periodic table having the chemical elements marked on it as mentioned above.
Now mark the location of neon on the periodic table.
Next, mark the group number of neon on the periodic table.
The valence electrons of each main-group element can be determined by the column in which it is located.
(i.e., all group 1 elements have 1 valence electron, all group 2 elements have 2 valence electrons, skip the transition metals… then, all group 13 elements have 3 valence electrons, all group 14 elements have 4 valence electrons, and so on up to group 18 elements)
Since neon is in group 18, it has 8 valence electrons.
Using electron configuration
- First, write electron configuration of neon
The electron configuration of neon is [He] 2s2 2p6.
Learn how to find: Neon electron configuration
- Second, find highest energy level in electron configuration
In the above electron configuration, the highest energy level (2) is marked with green color.
- Finally, count electrons of that energy level
The 2nd energy level contains 2s and 2p subshells. There are 2 electrons in the 2s subshell and 6 electrons in the 2p subshell. So neon has a total of 2 + 6 = 8 valence electrons.
Next: Aluminum valence electrons
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Related
More topics
- Neon
- Neon Bohr model
- Neon electron configuration
- Neon orbital diagram
- Neon protons neutrons electrons
External links
- https://www.sciencecoverage.com/2021/01/neon-valence-electrons.html
- https://www.quora.com/How-many-valence-electrons-does-neon-have
- https://valenceelectrons.com/valence-electrons-of-neon/
- https://socratic.org/questions/how-do-you-calculate-number-of-valence-electrons-in-an-neon
- https://homework.study.com/explanation/identify-the-number-of-core-and-valence-electrons-for-neon.html
Deep
Learnool.com was founded by Deep Rana, who is a mechanical engineer by profession and a blogger by passion. He has a good conceptual knowledge on different educational topics and he provides the same on this website. He loves to learn something new everyday and believes that the best utilization of free time is developing a new skill.