Answer:
The person writes a coefficient of 2 in front of Fe2O3 but then writes a 4 for the number of iron (Fe) atoms. Explain this difference.
Explanation:
I think it has three phases, that is solid phase, liquid phase and gas phase.
Whipped cream is a colloid. It consists of a gas in a liquid, so it is a foam. The solution is a colloidal suspension with solid particles in a liquid.
Answer:
Glass is used to help determine the hardness of a mineral.
Explanation:
hope this helps
Answer:
chloride and sodium.
Explanation:
These two make up over 90% of all dissolved ions in seawater.
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