Respuesta :
b 2
is which shell are the valence electrons of the elements in period 2 found
is which shell are the valence electrons of the elements in period 2 found
Answer:
(2) 2
Explanation:
The period of an element indicates in which shell are the valence electrons. So, all the elements of the Period 2 have their valence electrons in the 2nd shell.
A period in the periodic table is a row of chemical elements.
