Properties of Matter

Compared to metals, nonmetals are...

• More brittle as a solid
• Better electrical conductors
• More ductile as a solid
• Better conductors of heat 

Under ordinary, room temperature conditions, the greatest number of elements are...

• Gases
• Liquids
• Metallic solids
• Nonmetallic plasmas

Tags

NGSS.MS-PS1-4

Carbon cannot be broken down into anything simpler by chemical means, so carbon must be...

• A heterogeneous mixture
• A homogeneous mixture
• An element
• A compound

Which of the following lists contains only compounds?

• Sodium Chloride NaCl, Oxygen O₂, Iron Fe
• Graphite, Limewater Ca(OH)₂, and Sodium (Na)
• Lead Pb, Phosphorus P, Chlorine Cl₂
  
• Water H₂O, Glucose C₆H₁₂O₆, Carbon Dioxide CO₂

Tags

NGSS.MS-PS1-1

Elements that lie along the zig-zag line of the periodic table are___________.

• Liquids
• Metalloids
• Metals
• Radioactive

What is an atom’s nucleus made of?

• Protons and neutrons
• Protons and electrons
• Only protons
  
• Only neutrons

Tags

NGSS.MS-PS1-1

Which of the following is a physical change?

• Iron is oxidized into iron oxide
• Aluminum metal is pounded into thin sheets
• Copper reacts with a strong acid
• Sodium metal explodes on contact with water

Which of the following is an example of a chemical change?

• Melting solid gold
• Burning hydrogen gas
• Dissolving sugar in water
• Breaking a sheet of glass

Tags

NGSS.MS-PS1-2

When a new substance is formed with different properties than the original substance it is called...

• Freezing
• Physical change
  
• Boiling
• Chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which properties most likely belong to a metal?

• brittle and dull
• liquid and clear
• ductile and malleable
• gaseous and nonreactive