I just need these questions answered, you can take your time. I’ll give you 20 points and brainliest if correct!

1. Water (Hydrogen and Oxygen)
A. Element
B. Compound

2. Coal (Carbon)
A. Element
B. Compound

3. Carbon Dioxide (Carbon and Oxygen)
A. Element
B. Compound

4. Oxygen
A. Element
B. Compound

5. Chalk (Calcium, Carbon and Oxygen)
A. Element
B. Compound

6. Wax (Carbon and Hydrogen)
A. Element
B. Compound

7. Table Salt (Sodium and Chloride)
A. Element
B. Compound

8. Caffeine (Carbon, Hydrogen, Nitrogen, and Oxygen)
A. Element
B. Compound