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IB SL Chemistry Test 3 revision on topics 2, 3 a ...

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  • Choose from the following (see image)
    c
    a
    b
    d
  • Chemical formula for copper (I) sulfate
    Cu2SO4
  • formula of sulphate ion
    SO4^2-
  • In general, the ionization energy and electron affinity involve more energy from __________ (left to right or right to left) in a period of the periodic table. Why?
    The increase is from left to right because of the increase in nuclear charge.
  • For the set of elements Li, O, Ne, and Na, which element has the largest atomic radius?
    Li
    Ne
    Na
    O
  • Which element is isoelectronic with argon?
    S2-
    Rb+
    Mg2+
    F-
  • Formulate an equation for the reaction of magnesium oxide with water.
    MgO(s) + H2O(l) --> Mg(OH)2
  • Order the elements S, Cl, and F in terms of increasing atomic radii.
    S, F, Cl
    Cl, F, S
    F, Cl, S
    S, Cl, F
  • You may use your electronegativity values in Section 8 of the IB data booklet, determine the bonding in methane (CH4)
    an example of ionic bonding
    an example of hydrogen bonding
    an example of polar covalent bonding
    an example of non-polar covalent bonding
  • What is the product of Cl2(g) + KI(aq) --> ?
    Cl2(g) + 2KI(aq) --> I2 (s) + 2KCl(aq)
  • List the following atoms in order of increasing ionization energy: Li, Na, C, O, F.
    Na < Li < C < O < F
  • How many electrons in a Cl- ion?
    18
    36
    35
    16
  • State and explain the trend in first ionization energy values across the period Li to F.
    IE increases across period due to increased attraction between p+ in nucleus and valence e-.
  • Which of these periodic trends is a man-made number?
    electronegativity
    molecular mass
    electron affinity
    ionization energy
  • Which of the following frequencies corresponds to light with the longest wavelength?
    8.50 × 1020 s–1
    4.12 × 105 s–1
    3.00 × 1013 s–1
    9.12 × 1012 s–1
  • Which of the following shows the proper condensed electron configuration of a copper atom (Cu)?
    [Ar] 3d¹⁰ 4s¹
    1s2 2s2 2p6 3s2 3p6 3d10 4s
    [Ar] 4s2 3d9
    1s2 2s2 2p6 3s2 3p6 4s2 3d9
  • Which of the following will have similar properties to 1s2 2s2 2p6 3s2 3p2?
    oxygen
    carbon
    chlorine
    phosphorus
  • 2. Which is correct for the following regions of the electromagnetic spectrum?
    C
    D
    A
    B
  • Which electron transition in the hydrogen atom emission spectrum emits radiation with the longest wavelength?
    n = 1 → n = 2
    . n = 2 → n = 1
    n = 4 → n = 1
    n = 3 → n = 2
  • The __________ electrons are in the outermost principal quantum level of an atom
    valence
  • Which is the electron configuration of a chromium atom in the ground state?
    [Ne]3s2 3p6 4s1 3d4
    [Ar ]3d3
    [Ar]4s1 3d5
    1s2 2s2 2p6 3s2 3p6 4s2 3d4
  • Which group does bromine belong to? (name of group)
    halogen
  • Which electron transition emits radiation of the longest wavelength?
    D
    C
    A
    B
  • Describe the structure and bonding in solid magnesium oxide.
    a giant ionic lattice with electrostatic attraction between oppositely charged ions
  • Formula of nitrate
    NO3-
  • Which group does potassium belong to? (name of group)
    alkali metals
  • What is the condensed electron configuration of the Fe2+ ion?
    [Ar]3d6
  • Which oxide, when added to water, produces the solution with the highest pH?
    CO2
    SO3
    Na2O
    BeO
  • Chemical formula for sodium oxide
    Na2O
  • How many unpaired electrons does chlorine have in its ground state?
    [Ne]3s23p5 so just ONE (1)
  • Which element is this: [Kr]5s1 4d10
    Ag (silver)
  • 7. What is the formula for an ionic compound formed by element X (Group 3) and element Y (Group 6 / 16)?
    X3Y2
    X2Y3
    XY3
    XY2
  • Which electron configuration is correct for the selenide ion, Se2−?
    1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p4
    1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4
    1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p6
    1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
  • The amount of energy released when an electron is added to a neutral atom to form a negative ion
    electron affinity
    ionization energy
    electronegativity
    atomic radii
  • How many valence electrons does an element with atomic number 19 have?
    2
    7
    1
    8
  • Choose the element with the highest ionization energy.
    Al
    Mg
    Na
    P
  • Which form of electromagnetic radiation has the longest wavelengths?
    MICROWAVES
    RADIO
    GAMMA RAYS
    INFRARED
  • How many protons, neutrons and electrons?
    20 protons, 21 neutrons, 18 electrons
  • What is the product of I2(g) + KBr(aq) --> ?
    No reaction because bromine is more reactive
  • Ethanoic or acetic acid, CH3COOH, is a weak acid that is often used in the creation of vinegar.Note the two distinctly different bonds between carbon (C) and oxygen (O). Which option contains the correct information of these bonds?
    option C
    option D
    option A
    option B
  • Common name for a hydrogen atom that contains a neutron
    deuterium
    tritium
    helium
    protium
  • Which of the following atoms would have the largest second ionization energy?
    Cl
    Mg
    Na
    S
  • Which property increases down Group 1, the alkali metals?
    electronegativity
    atomic radius
    ionization energy
    electron affinity
  • Of the following elements, which has the lowest first ionization energy?
    Ca
    Cl
    Si
    Ba
  • List the following atoms in order of increasing ionization energy: Li, Na, C, O, F.
    O<F<C<Li<Na
    Na<Li<C<O<F
    Li<Na<C<O<F
    F<O<C<Li<Na
  • What elements have zero electronegativity?
    noble gases
  • Which of the following is the most electronegative element?
    O
    N
    K
    P
  • The four lines observed in the visible emission spectrum of hydrogen tell us that:
    The hydrogen molecules they came from have the formula H4.
    Only certain energies are allowed for the electron in a hydr
    The spectrum is continuous.
    There are four electrons in an excited hydrogen atom.