`i was wading in the creek and discovered what i thought to be a small meteorite. i took it home and found its mass to be 12.00 kg. i ran some fancy schmancy chemical tests on it, and determined that the mass of nickel within the sample was 300.0 grams. what is the mass percent of nickel in the meteorite? a. 25.00%

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.