Grade 1210 grade science
How many valence electrons are present in sodium with atomic number 11?
How many valence electrons are present in sodium with atomic number 11?
2 Answers
Rituraj Tiwari
Sodiumhas onevalence electron.Valence electrons
Vikas Amritiya
Valence electrons are found in the highest energy s and p orbitals in the main group of elements. The electron configuration for a neutral sodium is
1s22s22p63s1
The highest energy 3s orbital contains one electron, therefore, neutral sodium atoms have one valence electron.
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