Respuesta :
Answer:
1 valence electron
Explanation:
So a neutral lithium atom has 3 protons and 3 electrons. Two electrons in shell 1 and one electron in shell 2. The 1 electrons are 'core' electrons. So Lithium has only 1 valence electron
Answer:
1 valence electron
Explanation:
The number of valence electrons is the same as the position in a row in the periodic table, at least for the first few rows. Therefore, Lithium being the 1st element in the second row has 1 valence electron.
------
hopefully my answer helps! ♡
if my answers helped you please tell me, therefore I know.. that I did them correctly or incorrectly. anyways, have a great day/night!