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Neon has ____
valence electrons.
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0 2
O 10
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Sagot :

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Neon has 8 valence electrons.

Here’s a detailed, step-by-step explanation:

1. Understanding the Concept of Valence Electrons:
Valence electrons are the electrons in the outermost shell of an atom. These electrons determine the chemical properties of the element.

2. Atomic Number of Neon:
The atomic number of Neon (Ne) is 10. This means Neon has 10 protons and, in a neutral atom, also has 10 electrons.

3. Electron Configuration:
Electrons are arranged in shells around the nucleus. The first shell can hold up to 2 electrons, and the second shell can hold up to 8 electrons.
- For Neon, with 10 electrons, the electron configuration is:
- First shell: 2 electrons
- Second shell: 8 electrons

4. Valence Electrons:
The valence electrons are found in the outermost shell of the atom. For Neon, the outermost shell (the second shell) holds 8 electrons.

Therefore, Neon has 8 valence electrons.
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