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Questions and Answers
Which element is the most common on Earth by mass?
Which element is the most common on Earth by mass?
- Copper
- Iron
- Steel
- Oxygen (correct)
What is the atomic number of iron?
What is the atomic number of iron?
- 26 (correct)
- 8
- 32
- 4
In which group of the periodic table does iron belong?
In which group of the periodic table does iron belong?
- Group 26
- Group 1
- Group 18
- Group 8 (correct)
How is iron mainly deposited in the Earth's crust?
How is iron mainly deposited in the Earth's crust?
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At what temperature is iron extracted from its ores?
At what temperature is iron extracted from its ores?
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