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June 2016 NY Regents PSC - Part A

Quiz by Christopher Merryman

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30 questions
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  • Q1
    Which statement describes the charge of an electron and the charge of a proton?
    An electron and a proton both have a charge of +1.
    An electron has a charge of +1, and a proton has a charge of -1
    An electron has a charge of -1, and a proton has a charge of +1.
    An electron and a proton both have a charge of -1
    30s
  • Q2
    Which subatomic particles are found in the nucleus of an atom of beryllium?
    electrons and protons
    neutrons and electrons
    electrons and positrons
    neutrons and protons
    30s
  • Q3
    The elements in Period 4 on the Periodic Table are arranged in order of increasing
    number of occupied shells of electrons
    atomic radius
    atomic number
    number of valence electrons
    30s
  • Q4
    Which phrase describes two forms of solid carbon, diamond and graphite, at STP?
    the same crystal structure and the same properties
    different crystal structures and the same properties
    different crystal structures and different properties
    the same crystal structure and different properties
    30s
  • Q5
    Which element has six valence electrons in each of its atoms in the ground state?
    Kr
    Ga
    As
    Se
    30s
  • Q6
    What is the chemical name for H2SO3(aq)?
    sulfurous acid
    sulfuric acid
    hydrosulfurous acid
    hydrosulfuric acid
    30s
  • Q7
    Which substance is most soluble in water?
    (NH4)3PO4
    Ag2SO4
    CaCO3
    Cu(OH)2
    30s
  • Q8
    Which type of bonding is present in a sample of an element that is malleable?
    polar covalent
    ionic
    metallic
    nonpolar covalent
    30s
  • Q9
    Which atom has the greatest attraction for the electrons in a chemical bond?
    silicon
    oxygen
    hydrogen
    sulfur
    30s
  • Q10
    Which type of reaction involves the transfer of electrons?
    double replacement
    oxidation-reduction
    neutralization
    alpha decay
    30s
  • Q11
    A 10.0-gram sample of nitrogen is at STP. Which property will increase when the sample is cooled to 72 K at standard pressure?
    temperature
    mass
    density
    volume
    30s
  • Q12
    Which element is a gas at STP?
    sulfur
    xenon
    potassium
    phosphorus
    30s
  • Q13
    A 5.0-gram sample of Fe(s) is to be placed in 100. milliliters of HCl(aq). Which changes will result in the fastest rate of reaction?
    increasing the surface area of Fe(s) and decreasing the concentration of HCl(aq)
    increasing the surface area of Fe(s) and increasing the concentration of HCl(aq)
    decreasing the surface area of Fe(s) and decreasing the concentration of HCl(aq)
    decreasing the surface area of Fe(s) and increasing the concentration of HCl(aq)
    30s
  • Q14
    Which process is commonly used to separate a mixture of ethanol and water?
    distillation
    filtration
    titration
    ionization
    30s
  • Q15
    A sample of hydrogen gas will behave most like an ideal gas under the conditions of
    low pressure and high temperature
    low pressure and low temperature
    high pressure and low temperature
    high pressure and high temperature
    30s

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