2014 8th Exam 31-35

Which element from this portion of the table chemically reacts in a way similar to the way the element chlorine (Cl) reacts?

• Si
• O
• Xe
• I

Which element is classified as a noble gas?

• sulfur
• oxygen
• nitrogen
• argon

Which mineral is hard and has the same color and streak?

• magnetite
• muscovite mica
• pyrite
• sulfur

The volume of a sample of sulfur was measured to be 5.0 cm³. The density of sulfur is 2.0 g/cm³. Based on the equation below, what is the mass of this sample?

• 2.0 g
• 2.5 g
• 5.0 g
• 10.0 g

Which physical property best distinguishes magnetite from pyrite?

• luster
• streak
• color
• hardness