valence electrons are the number of electrons in the outermost shell.
electron configuration is where the electrons are arranged in ascending order of energy shells
the electron configurations for the elements given are as follows
C - 2,4
Al - 2,8,3
Na - 2,8,1
Ca - 2,8,8,2
from the given elements, Aluminium has 3 electrons in its outermost shell.
answer is Aluminium
Answer:
D
Explanation:
I explained how to do it on your other problem so look there :)
It is believed that the entire solar system was born f<span>rom an early nebula.</span>
Answer: Molecules or substances that have tendency to donate electrons
Explanation: