Answer:
• Molecular mass of Iron (III) tetraoxide

[ molar masses: Fe → 56, O → 16 ]

Answer:
Dry more clothes at the same time so that there is less room for electric forces.
Explanation:
Chemical,when you light a match stick, you are starting a chain reaction of the substance chemical formula, making it a chemical change
1. carbon lies in the 2nd period where silicon in the third period.
2. carbon is a non metal whereas silicon is a metalloid.
3. there are only 3 isotopes of carbon and 23 isotopes of silicon
4. size of silicon atom is larger
5. silicon is heavier than carbon.