Iron is produced from its ore, iron oxide, by using a displacement reaction. This is done in a blast furnace.

Which element is used to displace iron?

After cloud droplets form, what must happen to them for precipitation to occur?

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg