Question

write the atomic structure of sodium​

Answer 1

Answer:

This tells us that sodium has 11 protons and because it is neutral it has 11 electrons. The mass number of an element tells us the number of protons AND neutrons in an atom (the two particles that have a measurable mass). ... Since sodium has 11 protons, the number of neutrons must be 23 – 11 = 12 neutrons.

Explanation:

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Answer 2

Answer:

The nucleus consists of 11 protons (red) and 12 neutrons (blue). 11 electrons (green) bind to the nucleus, with a single, relatively unstable electron in the outer shell (ring). The stability of an element's outer electrons determines its chemical and physical properties. An atom of a group 1 element such as sodium has just one valence electron.