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Quiz

Chemistry Review

Urvee ___ 18 perguntas

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Perguntas do quiz (18)

  1. 1Please open this link in another tab fro quick reference.
    http://sciencenotes.org/wp-content/uploads/2015/01/PeriodicTableMuted.png

    What are valence electrons?
    1. AElectrons in the outermost shell
    2. BElectrons closest to the nucleus
    3. CElectrons that are exchanged with other atoms to form bonds
    4. DElectrons that have a negative charge
    5. EElectrons that repel from positive protons
  2. 2What does the number 18.998 represent?Imagem da pergunta 2
    1. AAverage Atomic Mass
    2. BNumber of Protons
    3. CNumber of Neutrons in an ion
    4. DAtomic Number
  3. 3An [blank_start]ion[blank_end] is when there is an atom with more or less electrons that the usual. Usually, in a stable atom, there are the same number of protons as electrons.
    [blank_start]Cation[blank_end] - more protons, less electrons >> [blank_start]positive[blank_end]
    [blank_start]Anion[blank_end] - less protons, more electrons >> [blank_start]negative[blank_end]
    1. Aion
    2. BCation
    3. CAnion
    4. Dpositive
    5. Enegative
  4. 4Ionic Bonds - [blank_start]Metal[blank_end] (loses electrons) and [blank_start]Nonmetal[blank_end] (gains electrons)
    Covalent Bonds - 2 [blank_start]nonmetal[blank_end] atoms
    Polar Covalent Bond - 2 [blank_start]different[blank_end] atoms, [blank_start]Unequal[blank_end] Sharing
    Non Polar Covalent Bond - 2 [blank_start]same[blank_end] atoms, [blank_start]Equal[blank_end] Sharing
    1. AMetal
    2. BNonmetal
    3. Cdifferent
    4. DUnequal
    5. EEqual
    6. Fnonmetal
    7. Gsame
  5. 5It might be helpful to copy this table on to a piece of paper and fill it out.
    All isotopes will be written in this format >> (Element)-(Number)
    A - [blank_start]Pb[blank_end]
    B - [blank_start]207[blank_end]
    C - [blank_start]82[blank_end]
    D - [blank_start]125[blank_end]
    E - [blank_start]82[blank_end]    Imagem da pergunta 5
    1. APb
    2. B207
    3. C82
    4. D125
    5. E82
  6. 6F - [blank_start]Copper-35[blank_end]
    G - [blank_start]84[blank_end]
    H - [blank_start]29[blank_end]
    I - [blank_start]29[blank_end]
    J - [blank_start]35[blank_end]    Imagem da pergunta 6
    1. ACopper-64
    2. B64
    3. C29
    4. D29
    5. E35
  7. 7K - [blank_start]Sodium-11[blank_end]
    L - [blank_start]Na[blank_end]
    M - [blank_start]23[blank_end]
    N - [blank_start]11[blank_end]
    O - [blank_start]11[blank_end]    Imagem da pergunta 7
    1. ASodium-23
    2. BNa
    3. C23
    4. D11
    5. E11
  8. 8P - [blank_start]Fe[blank_end]
    Q - [blank_start]26[blank_end]
    R - [blank_start]26[blank_end]
    S - [blank_start]30[blank_end]
    T - [blank_start]26[blank_end]    Imagem da pergunta 8
    1. AFe
    2. B26
    3. C26
    4. D30
    5. E26
  9. 9U - [blank_start]Uranium-146[blank_end]
    V - [blank_start]U[blank_end]
    W - [blank_start]238[blank_end]
    X - [blank_start]92[blank_end]
    Y - [blank_start]146[blank_end]
    Z - [blank_start]92[blank_end]    Imagem da pergunta 9
    1. AUranium-238
    2. BU
    3. C238
    4. D92
    5. E146
    6. F92
  10. 10It might be helpful to copy this table on to a piece of paper and fill it out.
    Please make sure to put the charge (+/-) before the amount (1,2,3,4...).
    A - [blank_start]Co[blank_end]
    B - [blank_start]+2[blank_end]
    C - [blank_start]27[blank_end]    Imagem da pergunta 10
    1. ACo
    2. B+2
    3. C27

Informações

Descrição
A review of basic chemistry
Idioma
English
Visualizações
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