contestada



Look up sodium in the Periodic Table (Na). Then, answer the following questions

The number of electrons in n = 1 level?
The number of electrons in n = 2 level?
The number of electrons in n = 3 level?

Choose the letter with the 3 correct answers.
1, 2, 8
8, 2, 1
2, 8, 1

Respuesta :

Flippo
There are 11 electrons in Sodium(Na)
The first shell can hold 2 electrons 
The second shell can hold 8 electrons 
The third shell can also hold 8 electrons but there is only 1 left

so the answer is 2, 8, 1 

Otras preguntas