Chemical Bonding Quiz

Tuesday, December 7, 2010

Chemical Bonds (Ionic and Covalent) Quiz
Test your knowledge of ionic and covalent bonds.


  1. The chemical formula of the product formed from the reaction between Mg and O2 is _______. (1 point)
    MgO2
    MgO
    Mg2O

  1. How is the bond in F2 different from the bond in KCl ? (1 point)
    F2 is covalent and KCl is ionic
    F2 is ionic and KCl is ionic
    F2 is ionic and KCl is covalent

  1. Non-metals tend to _______ electrons to be come ________ ions. (1 point)
    lose, positive
    gain, negative
    lose, neutral

  1. From the list of elements given, select 2 elements that would likely form an ionic bond. K, C, Br, Ar. (1 point)
    K, Br
    Ar, C
    K, Ar

  1. Metals tend to _______ electrons to become _____ ions. (1 point)
    lose, positive
    gain, negative
    lose, neutral

  1. In an ionic bond, electrons are _________ or _______. (1 point)
    lost or gained
    shared
    none of the above

  1. Charged atoms are called as _____. (1 point)
    protons
    electrons
    ions

  1. An atom that has lost or gained electrons becomes a (an) _______. (1 point)
    proton
    electron
    ion

  1. Ionic bond is formed between atoms of ________ and _______. (1 point)
    metals and non-metals
    metals
    non-metals

  1. When a Na atom, loses one electron, it gets a charge of _______. (1 point)
    -1
    +1
    0

  1. Write the chemical formula for a compound that has one Calcium atom and 2 Chlorine atoms. Predict the bond between them. (1 point)
    CaCl2, ionic
    CaCl2, covalent
    Ca2Cl, ionic

  1. Oxygen has 6 valence electrons and it is diatomic. How many covalent bonds are there in an O2 molecule ? (1 point)
    single
    double
    triple

  1. When a Cl atom gains an electron, it gets a charge of ________. (1 point)
    -1
    +1
    0

  1. The bond formed when Mg combines with O2 is _____. (1 point)
    ionic
    covalent
    metallic

  1. N has 5 valence electrons and it is diatomic. How many covalent bonds are there in a N2 molecule ? (1 point)
    single
    double
    triple

  1. Calcium Oxide is a (an) _____ compound and the formula for Calcium Oxide is ________. (1 point)
    covalent, CaO2
    ionic, CaO
    ionic, CaO2

  1. The process of becoming an ion from an atom is called as ________. (1 point)
    ionization
    electrolysis
    electron affinity

  1. Covalent bond is formed between atoms of ________. (1 point)
    metals
    non-metals
    metals and non-metals

  1. Hydrogen Fluoride has a (an) ________ bond and its chemical formula is ________. (1 point)
    covalent, HF
    ionic, HF
    covalent, H2F

  1. Magnesium Bromide is a (an) ________ compound. (1 point)
    metallic
    covalent
    ionic

  1. In a covalent bond, electrons are _______. (1 point)
    lost or gained
    shared
    none of the above

2 comments:

Anonymous said...

ghvhjbkl;

Anonymous said...

this doesnt even tell you the right answers or even submit the answers

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