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Second Periodical Test in Science

Quiz by Rica C. Valentos

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5 questions
Show answers
  • Q1
    What is the name given to the electrons in the highest occupied energy level of an atom?
    valence electrons
    anions
    orbital electrons
    cations
    30s
  • Q2
    How does calcium obey the octet rule when reacting to form compounds?
    It gives up electrons
    Calcium does not obey then octet rule.
    It does not change its number of electrons.
    It gains electrons.
    30s
  • Q3
    Which of these elements does not exist as a diatomic molecule?
    I
    Ne
    H
    F
    30s
  • Q4
    How many valence electrons are transferred from the nitrogen atom to potassium in the formation of the compound potassium nitride?
    1
    2
    0
    3
    30s
  • Q5
    Which of the following elements can form diatomic molecules held together by triple covalent bonds?
    nitrogen
    oxygen
    carbon
    fluorine
    30s

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