Physical Behavior of Matter

August 2017 #4: When a sample of CO2(s) becomes CO2 (g), there is a change in

• bond type

• gram-formula mass

• molecular polarity

• particle arrangement

Tags

NGSS.HS-PS1-3

NGSS.HS-PS3-4

June 2016 #48 Which type of matter is represented by the particle diagram?

• An element

• A compound

• A homogeneous mixture

• A heterogeneous mixture

Tags

NGSS.MS-PS1-1

June 2013 #42

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

August 2015 #13: Which sample of matter is a mixture?

• Br2 (l)

• K (s)

• KBr (s)

• KBr (aq)

August 2015 #18: The ratio of chromium to iron to carbon varies among the different types of stainless steel. Therefore, stainless steel is classified as

• a compound

• an element

• a mixture

• a substance

June 2016 #14: Which process is commonly used to separate a mixture of ethanol and water?

• distillation

• ionization

• filtration

• titration

June 2013 #16 Two grams of potassium chloride are completely dissolved in a sample of water in a beaker. This solution is classified as

• an element

• a compound

• a homogenous mixture

• a heterogenous mixture

August 2015 #42: Use Table T - An aqueous solution has a mass of 490 grams containing 8.5x10^(-3) gram of calcium ions. The concentration of calcium ions in this solution is

• 4.3 ppm

• 8.5 ppm

• 17 ppm

• 34 ppm

June 2016 #43: Which aqueous solution has the highest boiling point at standard pressure?

• 1.0 M KCl (aq)

• 1.0 M CaCl2 (aq)

• 2.0 M KCl (aq)

• 2.0 M CaCl2 (aq)

August 2017 #16: Which term identifies a form of energy?

• combustion

• exothermic

• thermal

• electrolytic

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4