Fe

What is the atomic number of Fe?

• 24

• 26

• 28

• 30

Which of the following is the chemical symbol for Iron?

• Ir

• In

• Fe

• I

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

• +1

• +2

• +3

• +4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is a common ore of Iron?

• Bauxite

• Hematite

• Galena

• Chalcopyrite

Tags

NGSS.HS-PS1-1

What is the electron configuration of Fe?

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is a property of Iron?

• Non-magnetic

• Brittle

• Ductile

• Non-conductive

What is the role of Iron in the human body?

• Bone formation

• Oxygen transport

• Nerve function

• Hormone regulation

Which of the following reactions represents the rusting of Iron?

• @@ ext{Fe} + ext{O}_2 ightarrow ext{FeO}@@

• @@ ext{Fe} + ext{H}_2 ext{O} ightarrow ext{Fe(OH)}_2@@

• @@ ext{Fe} + ext{O}_2 + ext{H}_2 ext{O} ightarrow ext{Fe}_2 ext{O}_3 ext{.} ext{nH}_2 ext{O}@@

• @@ ext{Fe} + ext{Cl}_2 ightarrow ext{FeCl}_3@@

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

What is the molar mass of Iron?

• 55.85 g/mol

• 58.93 g/mol

• 63.55 g/mol

• 65.38 g/mol

Which of the following is a use of Iron in industry?

• Catalyst in the Haber process

• Manufacture of glass

• Production of fertilizers

• Making steel