Fe

The table shows the speed of each car recorded at each second. Which car(s) accelerated?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1

What is the atomic number of Fe?

• 24

• 26

• 28

• 30

Which of the following is the correct electron configuration for Fe?

Tags

NGSS.HS-PS1-1

What is the most common oxidation state of Fe in compounds?

• +1

• +2

• +3

• +4

Tags

NGSS.HS-PS1-2

Which of the following compounds contains Fe in the +3 oxidation state?

• FeO

• Fe_2O_3

• FeCl_2

• FeSO_4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the molar mass of Fe?

• 55.85 g/mol

• 58.93 g/mol

• 63.55 g/mol

• 65.38 g/mol

Which of the following is a property of Fe?

• Non-magnetic

• Brittle

• Ductile

• Non-conductive

What is the primary use of Fe in industry?

• Jewelry

• Construction

• Electronics

• Pharmaceuticals

Which of the following is a common ore of Fe?

• Bauxite

• Hematite

• Galena

• Chalcopyrite

Tags

NGSS.MS-ESS3-1

What is the role of Fe in the human body?

• Bone formation

• Oxygen transport

• Nerve function

• Hormone production