Iron has the chemical formula Fe from its Latin name, ferrum. Its atomic number is 26, and its molar mass is 55.845 grams per mole. It has a metallic gray color and is attracted to magnets. Iron is the second most-abundant metal on Earth.
The average speed is 75 Km per hour. Remember the equation for speed is Speed = Distance divided by Time
I believe the answer is 50.5 molecules
Answer:
2nd one down
Explanation: distance divided by time interval