Describe the electron configuration of an atom of Sodium (Na) with atomic number 11.

A.VERIFIED ANSWERfact-checked by tutors

For Sodium (atomic number 11), the electron configuration is 2, 8, 1. This means there are 2 electrons in the first shell, 8 electrons in the second shell, and 1 electron in the outermost (valence) shell.

Suggested Q&A

CHEMISTRY · CLASS 9

ChemistryCLASS 9
Why are noble gases generally unreactive?
ChemistryCLASS 9
Discuss the role of the nucleus in determining the identity and stability of an atom.
ChemistryCLASS 9
What would be the charge of an atom that has 12 protons, 12 neutrons, and 10 electrons? Identify the element.
ChemistryCLASS 9
An element has an atomic number of 19. Predict its valency and explain your reasoning.
ChemistryCLASS 9
Explain the concept of 'electron cloud' in the modern atomic model, contrasting it with Bohr's fixed orbits.
ChemistryCLASS 9
What was Dalton's atomic theory, and which of its postulates have since been proven incorrect?