Is salt a Elements or a Compound?
Is CO2 a Elements or a Compound?
Is Gold a Elements or a compound?
Is Na a Elements or a compound?
Is Oxygen a Elements or a Compound?
Is C6H2O6 a Element or a Compound?

1. Salt is a compound

2. CO2 is a compound

3. Gold is an element

4. Na is an element

5. Oxygen is an element

6. C6H2O6 is a compound

Explanation:

if it is on the periodic table it is an element

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.