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    Question 1
    If matter is uniform throughout and cannot be separated into other
    substances by physical means, it is _______.

    a compound
    an element
    a homogeneous mixture
    either an element or a compound
    a heterogeneous mixture

    Question 2
    Which one of the following is not a physical property of water?

    Water exists in solid, liquid and gaseous forms.
    It boils at 100oC at a pressure of 1 atm.
    It is clear and colorless.
    It freezes at 0oC.
    It reacts rapidly with potassium metal to form potassium hydroxide.

    Question 3
    1 milligram = _____ micrograms

    1,000
    10
    0.1
    0.01
    0.001

    Question 4
    The density of silver is 10.5 g/cm3. What volume (cm3) would be
    occupied by a piece of silver with a mass of 61.3 g?

    0.00155
    644
    0.171
    10.5
    5.84

    Question 5
    In the Rutherford nuclear-atom model, _______.

    the three principal subatomic particles (protons, neutrons, and
    electrons) all have essentially the same mass and mass is spread
    essentially uniformly throughout the atom
    mass is spread essentially uniformly throughout the atom
    the light subatomic particles, protons and neutrons, reside in the
    nucleus
    the heavy subatomic particles, protons and neutrons, reside in the
    nucleus
    the three principal subatomic particles (protons, neutrons, and
    electrons) all have essentially the same mass

    Question 6
    An atom of the most common isotope of gold, 197Au, has _____
    protons, _____ neutrons, and _____ electrons.

    79, 197, 197
    118, 79, 39
    79, 118, 118
    79, 118, 79
    197, 79, 118

    Question 7
    All atoms of a particular element contain the same number of
    _______.

    protons and neutrons
    subatomic particles
    protons
    neutrons
    protons, neutrons, and electrons

    Question 8
    In the symbol below, x = _____.

    13
    6
    19
    7
    Not enough information to determine

    Question 9
    In the periodic table, the elements are arranged in __________.

    order of increasing atomic number
    order of increasing metallic properties
    alphabetical order
    reverse alphabetical order
    order of increasing neutron content

    Question 10
    Elements in Group 7A are known as the _______.

    halogens
    alkaline earth metals
    alkali metals
    noble gases
    chalcogens

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