1510 M2-1

Atoms are composed of _, _, and _.

• ions

  anions

  cations

• ions

  isotopes

  isomers

• ionic

  covalent

  hydrogen bonds

• protons

  neutrons

  electrons

The most common phases of matter are _, _, and _.

• solid

  liquid

  gas

• plasma

  condensate

  quarks

• primary

  secondary

  tertiary

• potential

  kinetic

  nuclear

Moderately-fast moving molecules that interact in random ways characterize

• solids

• liquids

• gases

• plasmas

You use a pH meter to determine the pH of an unknown liquid. The reading on the meter is 2.3. How would you describe this liquid?

• neutral

• slightly basic

• highly acidic

• strongly alkaline

High-quality matter has the following characteristics:

• Diluted

  Difficult to find

  Useless

• Organic

  Acidic

  Ionic

• Concentrated

  Easy to get

  Useful

• Inorganic

  Basic

  Isotopic

What makes matter move in directions it would not normally go?

• Entropy

• Energy

• Dissociation

• Evaporation

Sunlight is an example of __ energy.

• Low-quality chemical

• Moderate-quality nuclear

• High-quality kinetic

The second law of thermodynamics basically says

• energy use is never 100% efficient.

• energy is easily converted from low to high quality.

• energy behaves exactly the same way as matter.

What does

6CO2 + 6H2O -> C6H12O6 + 6O2

refer to?

• Cellular respiration

• Photosynthesis

Complete the saying:

____ cycles, ____ flows.

• Energy

  matter

• Atoms

  ions

• Matter

  energy

• Photosynthesis

  Respiration