1st Semester Test 2017

A balance and a graduated cylinder are used to determine the density of a mineral sample. The sample has a mass of 14.7 g and a volume of 2.2 cm³. What is the density of the mineral sample? 

• 0.15 g/cm³
• 32 g/cm³
• 13 g/cm³
• 6.7 g/cm³

• 1 and 2
• 2 and 3
• 3 and 4
• 4 and 5

Which of the following sets of tools would be most useful in an experiment measuring the rate of transfer of thermal energy in four different liquids?

• Triple-beam balance, beakers, metric ruler
• Hot plate, beakers, thermometers
• Microscope, funnel, metric ruler
• pH meter, test tubes, forceps

• Beryllium (Be)
• Fluorine (F)
• Silicon (Si)
• Lead (Pb)

Electrical wires are made from metals such as copper and chromium because —

• wires can be stretched and bent.
• most metals have a metallic luster. 
• electricity flows in a complete circuit. 
• metals are good conductors of electricity. 

• Hematite and Stantinite 
• Chalcopyrite and Platinum 
• Acanthite and Stantinite 
• Chalcopyrite and Biotite 

A student was given two minerals of the same color. What physical property could be tested to help the student determine the identification of the two minerals?

• Relative size 
• Mass in grams 
• Volume in mL  
• Streak color 

One test of a mineral is the streak test in which what property is determined?

• The color of powder left behind when the mineral is rubbed on a surface  
• The amount of pore space in the mineral as measured by submerging it in  water  
• The conductivity of a mineral, determined by attaching it to an electric circuit 
• The wavelength of light that are refracted when light passes through the mineral 

• 12
• Mg
• Magnesium
• 24.31

Which two elements are the most common in the rocky outer surface that makes up Earth’s lithosphere?

• Silicon and oxygen 
• Oxygen and hydrogen
• Nitrogen and oxygen 
• Oxygen and carbon