Valence Electron is the outermost electrons, family(Alkali) 1 has 1 valence electrons and family(Alkaline) 2 has 2 valence electrons.
Hope this helps
Very low gives free energy
Explanation:
xmzfktxtosktaraitkakyssyotiatiaztitj5ia5iatos6ps
Answer:
Oxygen-16 (16o) is a stable isotope of oxygen, having 8 neutrons and 8 protons in its nucleus.
Explanation: