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Review of Chapter 2: The Chemistry of Life

Quiz by Domonique Brunson

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43 questions
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  • Q1
    The smallest unit of an element is a(n)
    symbol
    molecule
    compound
    atom
    30s
  • Q2
    Which element is not one of the five most common elements in living organisms?
    phosphorus
    carbon
    nitrogen
    hydrogen
    30s
  • Q3
    What are the two basic components of the universe?
    matter & energy
    energy & thermodynamics
    matter & space
    mass & energy
    30s
  • Q4
    The three main states of matter are
    liquid, gas, plasma
    solid, liquid, plasma
    solid, liquid, gas
    solid, plasma, gas
    30s
  • Q5
    What is the center of the atom?
    nucleoid
    nucleus
    nucleolus
    electron cloud
    30s
  • Q6
    "Whenever NRG is used, some of it becomes unusable and radiates out." Which law is this?
    1st Law of Thermodynamics
    3rd Law of Thermodynamics
    2nd Law of Thermodynamics
    30s
  • Q7
    Which subatomic articles are found INSIDE the nucleus?
    neutrons & electrons
    protons & electrons
    protons & neutrons
    protons, neutrons & electrons
    30s
  • Q8
    The charge of an ideal atom is
    neutral
    negative
    positive
    30s
  • Q9
    An atom is most stable when what is full?
    entire electron cloud
    outermost electron shell
    heart
    nucleus
    30s
  • Q10
    What is the smallest unit of a compound?
    element
    molecule
    compound
    monosaccharide
    30s
  • Q11
    Which is an example of a chemical change?
    burning wood
    melting ice
    freezing juice
    cutting up construction paper
    30s
  • Q12
    Which one IS chemically combined?
    mixture
    compound
    30s
  • Q13
    "In any process, energy is neither created nor destroyed, only changed from one form to another." Which law is this?
    1st Law of Thermodynamics
    3rd Law of Thermodynamics
    2nd Law of Thermodynamics
    30s
  • Q14
    The potential NRG that fuels the processes of life is stored where in the molecules?
    reactions
    elements
    bonds
    atoms
    30s
  • Q15
    Which type of NRG in a substance determines how fast its molecules move as well as its physical state?
    acoustic
    thermal
    nuclear
    electromagnetic
    30s

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