19. All of the following belongs to period 3 EXCEPT
A. Aluminum (AI) and Sodium (Na)
B. Chlorine (CI) and Magnesium (Mg)
C.Silicon (Si)and Mangenese (Mn) D. Sulfur (S) and Phosphorus (P)
A. Aluminum (AI) and Sodium (Na)
B. Chlorine (CI) and Magnesium (Mg)
C.Silicon (Si)and Mangenese (Mn) D. Sulfur (S) and Phosphorus (P)
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Answer:
Sodium po ang mali
Explanation:
Dahil (Na) po siya
Sana po makatulong :)