30
Chemistry, 02.09.2021 18:40 lexipooh7894
The mass number of Fe2+ is 56. How many neutrons are there in a single Fe2+ atom?
28
30
56
58
Answers: 3
Chemistry, 21.06.2019 18:00
Acylinder is filled with 2.00 moles of nitrogen, 3.00 moles of argon and 5.00 moles of helium. if the gas mixture is at stp, what is the partial pressure of the argon
Answers: 1
Chemistry, 22.06.2019 10:50
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)
Answers: 2
The mass number of Fe2+ is 56. How many neutrons are there in a single Fe2+ atom?
28
30
30
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