Sagot :
Answer:
A. 1. Iron - Fe
2. Copper - Cu
3. Gold - Au
4. Silver - Ag
B. 1. Hydrogen - H
2. Oxygen - O
3. Carbon - C
4. Sulfur - S
Answer:
A. 1. Iron - Fe
2. Copper - Cu
3. Gold - Au
4. Silver - Ag
B. 1. Hydrogen - H
2. Oxygen - O
3. Carbon - C
4. Sulfur - S