Chemical Formula of Galena Quiz

What is the chemical formula of Galena?

• PbS

• PbO

• PbSO4

• PbCO3

What is the color of Galena?

• Lead gray

• White

• Red

• Blue

What is the color of the streak (powder) of Galena?

• Grayish-black

• White

• Red

• Blue

What type of cleavage does Galena have?

• Perfect cleavage in 3 directions, forming cubes

• Imperfect cleavage in 2 directions, forming hexagons

• Perfect cleavage in 1 direction, forming sheets

• Imperfect cleavage in 3 directions, forming spheres

What type of luster does Galena have?

• Metallic

• Non-metallic

• Glassy

• Earthy

Which of the following statements is true about Galena?

• Galena is magnetic.

• Galena is not magnetic.

• Galena is partially magnetic.

• Galena's magnetism depends on temperature.

What is the hardness of Galena?

• 2.5

• 3.5

• 4.5

• 5.5

How is the hardness of Galena described?

• Very hard

• Relatively soft

• Extremely hard

• Moderately hard