Respuesta :
Na (Sodium), Mg (Magnesium), Al (Aluminum), Si (Silicon), S (Sulfur), Cl (Chlorine), and Ar (Argon)
Answer:
B: Magnesium
Explanation:
A. Carbon
B. Magnesium
C. Nitrogen
D. Oxygen
(From nullpositiv)
Na (Sodium), Mg (Magnesium), Al (Aluminum), Si (Silicon), S (Sulfur), Cl (Chlorine), and Ar (Argon)